Objective To investigate the efficacy of poly (L-lactic acid) application in the rejuvenation of hands, and to analyzethe safety of its application. Methods two subjects with aging problems of the hands were given subcutaneous injections of poly-L-lactic
大阴唇是女性外阴具有重要生理作用的门户结构，具有保持阴道口湿润、维持阴道自洁、防止外来污染的作用[1]。部分女性存在一定程度的先天大阴唇发育不良，外形萎缩褶皱的情况，影响生活质量。
