platelet migration inhibition血小板游走抑制 pulmonary gas mixing index肺内气体混合指数 present medical illness现在病症,现在疾病 phosphomannose isomerase磷酸甘露糖异构酶 post-myocardial infarction(syndrome)心肌梗塞后(综合征) proportional mortality indicator死亡构成比,相对死亡指标 propylmercuric iodide碘化丙基汞 previous medical illness既往病症,既往疾病 posterior myocardial infarction后壁心肌梗塞 patient medical instructions病人医嘱 patient medication instruction病人用药指导