title: Levels of testosterone, dihydrotestosterone, and androstenedione in the plasma and testis of a lizard (Lacerta vivipara Jacquin) during the annual cycle.
mesh_terms: D000735:Androstenedione / Q000097:blood*; D000818:Animals; D013196:Dihydrotestosterone / Q000097:blood*; D008116:Lizards / Q000502:physiology*; D008297:Male; D011863:Radioimmunoassay; D012621:Seasons; D013091:Spermatogenesis; D013737:Testis / Q000032:analysis / Q000502:physiology*; D013739:Testosterone / Q000097:blood*
chemical_list: D013196:Dihydrotestosterone; D013739:Testosterone; D000735:Androstenedione