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In situ end-labeling of fragmented DNA is routinely being used to detect apoptotic cells in various tissues including the testis. In this study, we examined the influence of various fixatives (neutral buffered formalin, paraformaldehyde, and glutaraldehyde) on the testicular structural integrity and the immunoreactivity of fragmented DNA in apoptotic germ cells of the adult rat. Accelerated apoptosis...
Objective. To determine contraceptive efficacy of hormonaly induced sperm suppression to severe oligozoospermia or azoospermia. Design. Prospective, non-comparative contraceptive efficacy study. Setting. Multicenter study in 15 centers in nine countries. Participants. Three hundred ninety-nine normal, healthy, fertile men requesting a male contraceptive method. Intervention. Weekly intramuscular...
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