Masturbation and nocturnal emissions--possible mechanisms for minimising teratozoospermie and hyperpermie in man.
D000818:Animals; D004542:Ejaculation; D006801:Humans; D008297:Male; D008418:Masturbation; D012746:Sexual Abstinence; D012725:Sexual Behavior; D013079:Sperm Maturation; D013094:Spermatozoa / Q000166:cytology*