title: Testicular androgen and oestrogen levels during the postnatal period in rams.
mesh_terms: D015068:17-Ketosteroids / Q000032:analysis; D000367:Age Factors; D000728:Androgens / Q000032:analysis*; D000731:Androstanes / Q000032:analysis; D000818:Animals; D000831:Animals, Newborn; D002849:Chromatography, Gas; D004958:Estradiol / Q000032:analysis; D004967:Estrogens / Q000032:analysis*; D004970:Estrone / Q000032:analysis; D008297:Male; D012756:Sheep; D013737:Testis / Q000032:analysis* / Q000254:growth & development; D013739:Testosterone / Q000032:analysis
chemical_list: D015068:17-Ketosteroids; D000728:Androgens; D000731:Androstanes; D004967:Estrogens; D004970:Estrone; D013739:Testosterone; D004958:Estradiol