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29. Active and inactive renin in pregnancy and in women on estrogen-containing oral contraceptives. Hayashi M, Saruta T, Nakamura R, Saito I, Kondo K, Kato E. Gynecol Obstet Invest; 1979 Nov 17; 10(5):246-53. PubMed ID: 395034 [Abstract] [Full Text] [Related]
32. Oral contraceptives, serum folate, and hematologic status. Paine CJ, Grafton WD, Dickson VL, Eichner ER. JAMA; 1975 Feb 17; 231(7):731-3. PubMed ID: 1172864 [Abstract] [Full Text] [Related]
33. Oestriol deficiency, a possible factor in the aetiology of thrombo-embolism in pill users. Zaki K, Sami G, Nour H. Egypt Popul Fam Plann Rev; 1972 Jun 17; 5(1):19-24. PubMed ID: 12256026 [Abstract] [Full Text] [Related]
37. Improvement in cervical dysplasia associated with folic acid therapy in users of oral contraceptives. Butterworth CE, Hatch KD, Gore H, Mueller H, Krumdieck CL. Am J Clin Nutr; 1982 Jan 17; 35(1):73-82. PubMed ID: 7064879 [Abstract] [Full Text] [Related]
38. The vitamin B6 requirement in oral contraceptive users. I. Assessment by pyridoxal level and transferase activity in erythrocytes. Bossé TR, Donald EA. Am J Clin Nutr; 1979 May 17; 32(5):1015-23. PubMed ID: 433818 [Abstract] [Full Text] [Related]