Citations for: DeJongh, D. C.; Hribar, J. D.; Littleton, P.; Fotherby, K.; Rees, R. W. A.; Shrader, S.; Foell, T. J.; Smith, H. The Identification of Some Human Metabolites of Norgestrel, a New Progestational Agent. Steroids 1968, 11 (5), 649–666.