5Costa M, Canale D, Filicori M, et al. L - camitine in idiopthicasthe- nozo ospermia:a multicenter study. Italian Study Group on Carnitine and Male Infertility. Andrologia, 1994,26 ( 3 ) : 155.
6Yeung CH, Anapolski M, Depenbusch M, et al. Human sperm vol- ume regulation. Response to physiological changes in osmolality, channel blockers and potentianl sperm osmolytes. Hum Reprod ,2003, 18(5) :1029 - 1036.
7Lenzi A, Lombardo F, Sgo P, et al. Use of carnitine therapy in select- ed casea of male factor infertility:a doubleblind crossover trial, Fertil Steri1,2003,79 (2) :292 - 300.