Erazo, Raúl, and José Barbastéfano. “Teratogenicidad De La Prueba Hormonal De Embarazo”. Colombia Medica 11, no. 1,2 (January 23, 2017): 25–29. Accessed May 4, 2024. https://colombiamedica.univalle.edu.co/index.php/comedica/article/view/2925.