[1]
CARLBORG L. 1973. Effect of Norhydroxyprogesterone Caproate on Cervical Sperm Penetration and Secretion of Ovarian Steroids in the Human Female. Upsala Journal of Medical Sciences. 78, 3 (Nov. 1973), 189-190. DOI:https://doi.org/10.3109/03009737309178626.