US doctors file lawsuit against antiabortionists.

abstract：OBJECTIVE:To determine patient, institution, and machine characteristics that contribute to variation in radiation doses used for computed tomography (CT). DESIGN:Prospective cohort study. SETTING:Data were assembled and analyzed from the University of California San Francisco CT International Dose Registry. PARTICI...

journal_title：BMJ (Clinical research ed.)

authors： Smith-Bindman R,Wang Y,Chu P,Chung R,Einstein AJ,Balcombe J,Cocker M,Das M,Delman BN,Flynn M,Gould R,Lee RK,Yellen-Nelson T,Schindera S,Seibert A,Starkey J,Suntharalingam S,Wetter A,Wildberger JE,Miglioretti DL

更新日期：2019-01-02 00:00:00

abstract：OBJECTIVES:To prospectively assess the diagnostic performance of simple ultrasound rules to predict benignity/malignancy in an adnexal mass and to test the performance of the risk of malignancy index, two logistic regression models, and subjective assessment of ultrasonic findings by an experienced ultrasound examiner ...

journal_title：BMJ (Clinical research ed.)

authors： Timmerman D,Ameye L,Fischerova D,Epstein E,Melis GB,Guerriero S,Van Holsbeke C,Savelli L,Fruscio R,Lissoni AA,Testa AC,Veldman J,Vergote I,Van Huffel S,Bourne T,Valentin L

更新日期：2010-12-14 00:00:00

abstract：OBJECTIVE:To examine the patterns of physical activity among British schoolchildren aged 11 to 16 and to assess whether the children experience the intensity and duration of physical activity that are believed to stress the cardiopulmonary system appropriately. DESIGN:Cross sectional study of a sample of children draw...

journal_title：BMJ (Clinical research ed.)

authors： Armstrong N,Balding J,Gentle P,Kirby B

更新日期：1990-07-28 00:00:00

abstract：OBJECTIVE:To determine whether a decision aid designed for adults with low education and literacy can support informed choice and involvement in decisions about screening for bowel cancer. DESIGN:Randomised controlled trial. SETTING:Areas in New South Wales, Australia identified as socioeconomically disadvantaged (lo...

journal_title：BMJ (Clinical research ed.)

authors： Smith SK,Trevena L,Simpson JM,Barratt A,Nutbeam D,McCaffery KJ

更新日期：2010-10-26 00:00:00

abstract：OBJECTIVES:To describe utilisation of general practitioners by elderly people resident in communal establishments; to examine variations in general practitioner utilisation and estimate the likely impact of the "downsizing" of long stay provision in NHS hospitals. DESIGN:Secondary analyses of the survey of disability ...

journal_title：BMJ (Clinical research ed.)

authors： Kavanagh S,Knapp M

更新日期：1998-08-01 00:00:00

abstract：OBJECTIVE:To determine whether prophylactic treatment with low molecular weight heparin reduces the incidence of thrombosis in patients who have had general or orthopaedic surgery. DESIGN:Meta-analysis of results from 52 randomised, controlled clinical studies (29 in general surgery and 23 in orthopaedic surgery) in w...

journal_title：BMJ (Clinical research ed.)

authors： Leizorovicz A,Haugh MC,Chapuis FR,Samama MM,Boissel JP

更新日期：1992-10-17 00:00:00

abstract：OBJECTIVE:To assess the effect of size at birth, maternal nutrition, and body mass index on blood pressure in late adolescence. DESIGN:Population based analysis of birth weight corrected for gestational age, mother's weight before pregnancy and weight gain in pregnancy, obtained from the Jerusalem perinatal study, and...

journal_title：BMJ (Clinical research ed.)

authors： Laor A,Stevenson DK,Shemer J,Gale R,Seidman DS

更新日期：1997-08-23 00:00:00

abstract：OBJECTIVE:To study the role of respiratory viruses in exacerbations of asthma in adults. DESIGN:Longitudinal study of 138 adults with asthma. SETTING:Leicestershire Health Authority. SUBJECTS:48 men and 90 women 19-46 years of age with a mean duration of wheeze of 19.6 years. 75% received regular treatment with bron...

journal_title：BMJ (Clinical research ed.)

authors： Nicholson KG,Kent J,Ireland DC

更新日期：1993-10-16 00:00:00

abstract：OBJECTIVE:To investigate the effect of vitamin A supplementation and BCG vaccination at birth in low birthweight neonates. DESIGN:Randomised, placebo controlled, two by two factorial trial. SETTING:Bissau, Guinea-Bissau. PARTICIPANTS:1717 low birthweight neonates born at the national hospital. INTERVENTION:Neonates...

journal_title：BMJ (Clinical research ed.)

authors： Benn CS,Fisker AB,Napirna BM,Roth A,Diness BR,Lausch KR,Ravn H,Yazdanbakhsh M,Rodrigues A,Whittle H,Aaby P

更新日期：2010-03-09 00:00:00

abstract：OBJECTIVE:To examine changes in representation of women among first authors of original research published in high impact general medical journals from 1994 to 2014 and investigate differences between journals. DESIGN:Observational study. STUDY SAMPLE:All original research articles published in Annals of Internal Med...

journal_title：BMJ (Clinical research ed.)

authors： Filardo G,da Graca B,Sass DM,Pollock BD,Smith EB,Martinez MA

更新日期：2016-03-02 00:00:00

abstract：OBJECTIVE:To identify the factors associated with diabetic ketoacidosis at diagnosis of type 1 diabetes in children and young adults. DESIGN:Systematic review. DATA SOURCES:PubMed, EMBASE, Web of Science, Scopus, and Cinahl and article reference lists. STUDY SELECTION:Cohort studies including unselected groups of ch...

journal_title：BMJ (Clinical research ed.)

authors： Usher-Smith JA,Thompson MJ,Sharp SJ,Walter FM

更新日期：2011-07-07 00:00:00

abstract：:Objective To characterize the prospective controlled clinical studies for all novel drugs that were initially approved by the Food and Drug Administration on the basis of limited evidence.Design Systematic review.Data sources Drugs@FDA database and PubMed.Study inclusion All prospective controlled clinical studies pub...

journal_title：BMJ (Clinical research ed.)

authors： Pease AM,Krumholz HM,Downing NS,Aminawung JA,Shah ND,Ross JS

更新日期：2017-05-03 00:00:00

abstract：OBJECTIVE:To design and evaluate a computer advisory system for the treatment of gestational trophoblastic tumour. DESIGN:A comparison of clinicians' treatment decisions with those of the computer system. Two datasets were used: one to calibrate the system and one to independently evaluate it. SETTING:Department of m...

journal_title：BMJ (Clinical research ed.)

authors： Leaning MS,Gallivan S,Newlands ES,Dent J,Brampton M,Smith DB,Bagshawe KD

更新日期：1992-10-03 00:00:00

abstract：OBJECTIVE:To evaluate the outcome of liver transplantation in patients with alcoholic cirrhosis with respect to selection criteria, survival, and evidence suggesting a return to harmful drinking. DESIGN:Nine year retrospective study. SETTING:Cambridge and King's College Hospital liver transplant programme. SUBJECTS:...

journal_title：BMJ (Clinical research ed.)

authors： Bird GL,O'Grady JG,Harvey FA,Calne RY,Williams R

更新日期：1990-07-07 00:00:00

abstract：OBJECTIVE:To establish whether there is evidence of the efficacy of homoeopathy from controlled trials in humans. DESIGN:Criteria based meta-analysis. Assessment of the methodological quality of 107 controlled trials in 96 published reports found after an extensive search. Trials were scored using a list of predefined...

journal_title：BMJ (Clinical research ed.)

authors： Kleijnen J,Knipschild P,ter Riet G

更新日期：1991-02-09 00:00:00

abstract：OBJECTIVE:To determine whether rates of suicide changed in Toronto after a barrier was erected at Bloor Street Viaduct, the bridge with the world's second highest annual rate of suicide by jumping after Golden Gate Bridge in San Francisco. DESIGN:Natural experiment. SETTING:City of Toronto and province of Ontario, Ca...

journal_title：BMJ (Clinical research ed.)

authors： Sinyor M,Levitt AJ

更新日期：2010-07-06 00:00:00

abstract：OBJECTIVE:To assess the association between macrolide antibiotics prescribing during pregnancy and major malformations, cerebral palsy, epilepsy, attention deficit hyperactivity disorder, and autism spectrum disorder in children. DESIGN:Population based cohort study. SETTING:The UK Clinical Practice Research Datalink...

journal_title：BMJ (Clinical research ed.)

authors： Fan H,Gilbert R,O'Callaghan F,Li L

更新日期：2020-02-19 00:00:00

abstract：OBJECTIVES:To compare mix of patients, scope of practice, and duration of visit in primary care physicians in Australia, New Zealand, and the United States. DESIGN:Comparison of three comparable cross sectional surveys performed in 2001-2. Physicians completed a questionnaire on patients' demographics, diagnoses, and ...

journal_title：BMJ (Clinical research ed.)

authors： Bindman AB,Forrest CB,Britt H,Crampton P,Majeed A

更新日期：2007-06-16 00:00:00

abstract：:The identification of the gene for cystic fibrosis has led to the possibility of population based screening for carriers of cystic fibrosis to identify couples at risk of having an affected child. Pilot studies have shown that screening is feasible and does not cause untoward anxiety, though the uptake of testing vari...

journal_title：BMJ (Clinical research ed.)

authors： Modell M

更新日期：1993-10-02 00:00:00

abstract：AIM:To compare perinatal morbidity and mortality for babies delivered in water with rates for babies delivered conventionally (not in water). DESIGN:Surveillance study (of all consultant paediatricians) and postal survey (of all NHS maternity units). SETTING:British Isles (surveillance study); England and Wales (post...

journal_title：BMJ (Clinical research ed.)

authors： Gilbert RE,Tookey PA

更新日期：1999-08-21 00:00:00

abstract：OBJECTIVE:To explore genetic and environmental contributions to the influence of parental social class and region of upbringing on adult human fatness. DESIGN:Survey of sample of adults who had been adopted in childhood to relate their body mass index to sociodemographic variables in a series of multiple linear regres...

journal_title：BMJ (Clinical research ed.)

authors： Teasdale TW,Sørensen TI,Stunkard AJ

更新日期：1990-06-23 00:00:00

abstract：OBJECTIVE:To evaluate the efficacy and safety of 4% dimeticone lotion for treatment of head louse infestation. DESIGN:Randomised controlled equivalence trial. SETTING:Community, with home visits. PARTICIPANTS:214 young people aged 4 to 18 years and 39 adults with active head louse infestation. INTERVENTIONS:Two app...

journal_title：BMJ (Clinical research ed.)

authors： Burgess IF,Brown CM,Lee PN

更新日期：2005-06-18 00:00:00

abstract：OBJECTIVES:To assess the association of Apgar score 5 minutes after birth with cerebral palsy in both normal weight and low birthweight children, and also the association with the cerebral palsy subdiagnoses of quadriplegia, diplegia, and hemiplegia. DESIGN:Population based cohort study. SETTING:The Medical Birth Reg...

journal_title：BMJ (Clinical research ed.)

authors： Lie KK,Grøholt EK,Eskild A

更新日期：2010-10-06 00:00:00

abstract：OBJECTIVES:To examine the individual and combined associations of unhealthy behaviours (low/intermediate physical activity, consuming fruit and vegetables less than once a day, current smoking/short term ex-smoking, never/former/heavy alcohol drinking), assessed at start of follow-up, with hazard of disability among ol...

journal_title：BMJ (Clinical research ed.)

authors： Artaud F,Dugravot A,Sabia S,Singh-Manoux A,Tzourio C,Elbaz A

更新日期：2013-07-23 00:00:00

abstract：OBJECTIVES:To investigate the association between contemporary combined hormonal contraceptives (including progestogen types in combined preparations and all progestogen-only products) and overall and specific types of ovarian cancer. DESIGN:Prospective, nationwide cohort study. SETTING:Denmark, 1995-2014. PARTICIPA...

journal_title：BMJ (Clinical research ed.)

authors： Iversen L,Fielding S,Lidegaard Ø,Mørch LS,Skovlund CW,Hannaford PC

更新日期：2018-09-26 00:00:00

abstract：OBJECTIVE:To determine whether failure to adequately adjust for a reported 40% misclassification of use of in vitro fertilisation (IVF) as reported in a Swedish study could have led to a false finding that folic acid increases dizygotic twinning. DESIGN:Modelling with population based data. SETTING:Swedish vital reco...

journal_title：BMJ (Clinical research ed.)

authors： Berry RJ,Kihlberg R,Devine O

更新日期：2005-04-09 00:00:00

abstract：OBJECTIVES:To determine the number and geographical distribution of general practitioners in the NHS who qualified medically in South Asia and to project their numbers as they retire. DESIGN:Retrospective analysis of yearly data and projection of future trends. SETTING:England and Wales. SUBJECTS:General practitione...

journal_title：BMJ (Clinical research ed.)

authors： Taylor DH Jr,Esmail A

更新日期：1999-01-30 00:00:00

abstract：OBJECTIVES:To describe the menstrual experience of women referred for menstrual problems, in particular menorrhagia (excessive menstrual loss), and to assess associations with reasons for referral given by their general practitioners, the women's understanding of the reasons for their attendance at the hospital clinics...

journal_title：BMJ (Clinical research ed.)

authors： Warner P,Critchley HO,Lumsden MA,Campbell-Brown M,Douglas A,Murray G

更新日期：2001-07-07 00:00:00

abstract：OBJECTIVE:To study changes from 1969 to 1983 in the prognosis of patients with acute myocardial infarction treated in a coronary care unit. DESIGN:Mortality follow up of all patients with definite acute myocardial infarction. SETTING:The coronary care unit of the Royal Melbourne Hospital, a tertiary referral centre. ...

journal_title：BMJ (Clinical research ed.)

authors： Hopper JL,Pathik B,Hunt D,Chan WW

更新日期：1989-10-07 00:00:00

abstract：OBJECTIVES:To examine the association of plasma caffeine concentrations during pregnancy with fetal growth and to compare this with relations with reported caffeine intake. DESIGN:Prospective population based study. SETTING:District general hospital, inner London. SUBJECTS:Women booking for delivery between 1982 and...

journal_title：BMJ (Clinical research ed.)

authors： Cook DG,Peacock JL,Feyerabend C,Carey IM,Jarvis MJ,Anderson HR,Bland JM

更新日期：1996-11-30 00:00:00