Objective: To determine the efficacy of combined L-carnitine and L-acetyl-carnitine therapy in infertile males with oligo-astheno-teratozoospermia.

• 试验目的：检测复合左旋肉碱（旋肉碱+乙酰左旋肉碱）法，对由少精、精和/精子畸形引起的男性不育的治疗效果。