[=pectoralis major muscle defect]胸大肌缺损
[=pelizaeus-merzbacher disease]佩-梅二氏病:家族性脑中叶硬化
[=posterior mandibular depth]下颌骨后部深度
[=primary myocardial disease]原发性心肌病
[=private medical doctor]私人医生
[=progressive muscular dystrophy]进行性肌营养不良,进行性肌萎缩