title: Human testicular metabolism of testosterone and androstenedione in normal and infertile men.
mesh_terms: D000735:Androstenedione / Q000378:metabolism*; D001692:Biological Transport; D006801:Humans; D007248:Infertility, Male / Q000378:metabolism*; D008297:Male; D012016:Reference Values; D012661:Semen / Q000032:analysis; D013737:Testis / Q000378:metabolism*; D013739:Testosterone / Q000378:metabolism*
chemical_list: D013739:Testosterone; D000735:Androstenedione