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The effects of a combination of a progestin, levonorgestrel (LNg), and estrone (E1), on exocrine and endocrine testicular function were examined in adult men. The mode of administration was subc...
The reproductive consequences of photoperiod and melatonin administration were compared in adult white-footed mice (Peromyscus leucopus). Animals were exposed either to a long photoperiod (16 hours ...
Men with hypogonadism require testosterone replacement for optimal health. In the United States, testosterone is currently administered by daily transdermal patches, topical gels or intramuscular in...
Men with hypogonadism require testosterone replacement for optimal health. In the United States, testosterone is currently administered by daily transdermal patches, topical gels or intramuscular in...

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