title: The effect of ewe proximity on testis size in developing rams.
mesh_terms: D000818:Animals; D004971:Estrus; D005260:Female; D008297:Male; D011247:Pregnancy; D012756:Sheep / Q000254:growth & development*; D013737:Testis / Q000254:growth & development*; D013739:Testosterone / Q000097:blood
chemical_list: D013739:Testosterone