title: Effects of methyltestosterone on spermatogenesis and secondary sexual characters in the three-spined stickleback (Gasterosteus aculeatus L.).
mesh_terms: D000818:Animals; D003116:Color; D004848:Epithelium / Q000187:drug effects; D005399:Fishes / Q000502:physiology*; D007668:Kidney / Q000166:cytology; D008297:Male; D008777:Methyltestosterone / Q000494:pharmacology*; D009929:Organ Size; D012727:Sex Characteristics; D013091:Spermatogenesis / Q000187:drug effects*; D013737:Testis / Q000166:cytology
chemical_list: D008777:Methyltestosterone