VAN DER MERWE, PJ; GROBBELAAR, E. Stability of 19-norandrosterone and 19-noretiocholanolone glucuronide in urine under various storage conditions. South African Journal of Sports Medicine, [S. l.], v. 15, n. 2, p. 14–17, 2003. DOI: 10.17159/2078-516X/2003/v15i2a217. Disponível em: https://journals.assaf.org.za/index.php/sajsm/article/view/217. Acesso em: 8 may. 2024.