CARLBORG , LARS. Effect of Norhydroxyprogesterone Caproate on Cervical Sperm Penetration and Secretion of Ovarian Steroids in the Human Female. Upsala Journal of Medical Sciences, [S. l.], v. 78, n. 3, p. 189–190, 1973. DOI: 10.3109/03009737309178626. Disponível em: https://ujms.net/index.php/ujms/article/view/7428. Acesso em: 10 nov. 2026.