1.Large laryngeal cartilage defects were created in the F344 rat model, with the engineered cartilage used to replace the cartilage defects, and the rats followed for 1 to 3 months.
F344大鼠模型造出大鼠喉软骨缺损，用工程软骨代替软骨缺损，大鼠随访1 ~ 3个月。