Q开关激光 1. Methods Q-switched Nd:YAG laser combined with intense pulse light was used to treat freckles, and comparing the treatment effect with that treated simply Q-switched Nd:YAG laser before. 方法:采用Q开关倍频Nd:YAG激光和强脉冲光联合治疗雀斑,进行疗效观察,并与继往单纯采用Q开关激光治...