Abstract:
:The authors measured polychlorinated biphenyls (PCBs) and dichlorodiphenyl dichloroethene (DDE) in maternal serum, cord blood, placenta, and serial samples of breast milk from 868 women. Almost all samples of breast milk showed detectable levels of both chemicals. Overall, values for DDE in this study are within the range of those found previously, whereas those for PCBs are somewhat higher. Possible causes of variation in levels were investigated. For DDE, older women, Black women, cigarette smokers, and women who consumed sport fish during pregnancy had higher levels; only age and race showed large effects. For PCBs, older women, women who regularly drink alcohol, and primiparae had higher levels. In addition, both chemicals showed modest variation across occupational groupings. Casual exposure to a PCB spill did not result in chemical levels different from background. In general, women have higher levels in their first lactation and in the earlier samples of a given lactation, and levels decline both with time spent breast-feeding and with number of children nursed. These striking declines are presumably a measure of exposure to the child.
journal_name
Am J Public Healthjournal_title
American journal of public healthauthors
Rogan WJ,Gladen BC,McKinney JD,Carreras N,Hardy P,Thullen J,Tingelstad J,Tully Mdoi
10.2105/ajph.76.2.172subject
Has Abstractpub_date
1986-02-01 00:00:00pages
172-7issue
2eissn
0090-0036issn
1541-0048journal_volume
76pub_type
杂志文章abstract::Historically, quality assurance studies have received scant ethical attention. The advent of information systems capable of supporting research-grade continuous quality improvement projects demands that we clearly define how these projects differ from research and when they require external review. The ethical obligat...
journal_title:American journal of public health
pub_type: 杂志文章,评审
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abstract:OBJECTIVES:We evaluated the effectiveness of the Public Health Detailing Program in helping primary care providers and their staff to improve patient care on public health challenges. METHODS:We analyzed reported changes in clinical practice or behavior by examining providers' retention and implementation of recommend...
journal_title:American journal of public health
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journal_title:American journal of public health
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doi:10.2105/AJPH.2014.302278
更新日期:2015-04-01 00:00:00
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journal_title:American journal of public health
pub_type: 杂志文章
doi:10.2105/ajph.72.12.1336
更新日期:1982-12-01 00:00:00
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doi:10.2105/ajph.72.10.1155
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pub_type: 杂志文章
doi:10.2105/ajph.84.4.580
更新日期:1994-04-01 00:00:00
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journal_title:American journal of public health
pub_type: 杂志文章
doi:10.2105/AJPH.2012.301208
更新日期:2013-10-01 00:00:00
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更新日期:2017-06-01 00:00:00
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pub_type: 杂志文章
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更新日期:1999-11-01 00:00:00
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doi:10.2105/ajph.74.4.378
更新日期:1984-04-01 00:00:00
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journal_title:American journal of public health
pub_type: 杂志文章
doi:10.2105/ajph.71.5.514
更新日期:1981-05-01 00:00:00
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doi:10.2105/ajph.83.6.830
更新日期:1993-06-01 00:00:00
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更新日期:1989-09-01 00:00:00
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更新日期:2010-07-01 00:00:00
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journal_title:American journal of public health
pub_type: 杂志文章
doi:10.2105/AJPH.2009.175091
更新日期:2010-12-01 00:00:00
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journal_title:American journal of public health
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更新日期:2015-07-01 00:00:00
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journal_title:American journal of public health
pub_type: 杂志文章
doi:10.2105/AJPH.2005.074062
更新日期:2007-06-01 00:00:00
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pub_type: 杂志文章,随机对照试验
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journal_title:American journal of public health
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更新日期:2000-02-01 00:00:00
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更新日期:2009-10-01 00:00:00
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更新日期:1996-01-01 00:00:00
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更新日期:1980-07-01 00:00:00
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更新日期:2020-08-01 00:00:00
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journal_title:American journal of public health
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doi:10.2105/AJPH.2005.077883
更新日期:2006-08-01 00:00:00