title: Testosterone secretion by the early fetal pig testes in organ culture.
mesh_terms: D000818:Animals; D005865:Gestational Age; D008297:Male; D009924:Organ Culture Techniques; D011863:Radioimmunoassay; D012733:Sex Differentiation; D013552:Swine; D013737:Testis / Q000196:embryology* / Q000378:metabolism; D013739:Testosterone / Q000276:immunology / Q000378:metabolism*
chemical_list: D013739:Testosterone