(8) MK Akkapeddi, R. D. Halpern, R. H. Davis, and H. Balin, in ... (9) BK Davis and MC Chang, Acta Endocrinol., 70,97 (1972). (10) B. K. Davis, Prostaglandins, 7,393 (1974). (11) SK Saksena, IF Lau, and MC Chang, ibid., 7,507 (1974). (12) I. F. Lau, SK Saksena, and MC Chang, Am. J. Obstet. Gyne- ... (13) C. H. Spilman and T. J. Roseman, Contraception, 11, 409 ... (14) TJ Roseman, J. Pharm. Sci., 61,46 (1972). (15) CH Spilman, DC Beuving, AD ...