Ahmed F, Bamji MS, Iyengar L. Effect of oral
contraceptive agents on vitamin nutrition status. Am
J Clin Nutr. 1975;28(6):606-615.
Ames BN. Micronutrient deficiencies: A major cause of
DNA damage. Ann NY Acad Sci. 2000;889:87-106.
Berger W. Incidence of severe side effects during
therapy with sulfonylureas and biguanides. Horm Metab
Res Suppl. 1985;15:111-115.
Bermond P. Therapy of side effects of oral
contraceptive agents with vitamin B6. Acta Vitaminol
Enzymol. 1982;4(1-2):45-54.
Carpentier JL, Bury J, Luyckx A, Lefebvre P. Vitamin
B12 and folic acid serum levels in diabetics under
various therapeutic regimens. Diabetes Metab.
1976;2(4):187-190.
Carr AC, Frei B. Toward a new recommended dietary
allowance for vitamin C based on antioxidant and health
effects in humans. Am J Clin Nutr
1999;69:1086-1087.
Cashman K, Flynn A. Optimal nutrition: calcium,
magnesium and phosphorus. Proc Nutr Soc.
1999;58:477-487.
Covington T, ed. Nonprescription Drug Therapy
Guiding Patient Self-Care. St Louis, MO: Facts and
Comparisons; 1999:467-545.
Dorea JG, Ferraz E, Queiroz EF. [Effects of
anovulatory steroids on serum levels of zinc and
copper]. Arch Latinoam Nutr. 1982;32(1):101-110.
Falchuk KH. Disturbances in Trace Elements. In: Fauci
A, Braunwald E, Isselbacher KJ, et al, eds. Harrison's
Principles of Internal Medicine. 14th ed.
New York, NY: McGraw-Hill Companies Health Professional
Division; 1998:490-491.
Green TJ, Houghton LA, Donovan U, et al. Oral
contraceptives did not affect biochemical folate indexes
and homocysteine concentrations in adolescent females. J
Am Diet Assoc. 1998;98:49-55.
Hambidge M. Human zinc deficiency. J Nutr.
2000;130(5S Suppl):1344S-1349S.
Hjelt K, Brynskov J, Hippe E, Lundstrom P, Munck O.
Oral contraceptives and the cobalamin (vitamin B12)
metabolism. Acta Obstet Gynecol Scand.
1985;64(1):59-63.
Kane FJ Jr. Evaluation of emotional reactions to oral
contraceptive use. Am J Obstet Gynecol.
1976;126(8):968-972.
Kornberg A, Segal R, Theitler J, et al. Folic acid
deficiency, megaloblastic anemia and peripheral
polyneuropathy due to oral contraceptives. Isr J Med
Sci. 1989;25(3):142-145.
Li X, Ran J, Rao H. [Megaloblastic changes in
cervical epithelium associated with oral contraceptives
and changes after treatment with folic acid]. Chung
Hua Fu Chan Ko Tsa Chih. 1995;30(7):410-413.
Matsui MS, Rozovski SJ. Drug-nutrient interaction. Clin
Ther. 1982;4(6):423-440.
Nash AL, Cornish EJ, Hain R. Metabolic effects of
oral contraceptives containing 30 micrograms and 50
micrograms of oestrogen. Med J Aust.
1979;2(6):277-281.
National Research Council, Recommended Dietary
Allowances. 10th ed. Washington, DC: National
Academy Press; 1989.
Newman LJ, Lopez R, Cole HS, et al. Riboflavin
deficiency in women taking oral contraceptive agents. Am
J Clin Nutr. 1978;31(2):247-249.
Olatunbosun DA, Adeniyi FA, Adadevoh BK. Effect of
oral contraceptives on serum magnesium levels. Int J
Fertil. 1974;19(4):224-226.
Powers HJ. Current knowledge concerning optimum
nutritional status of riboflavin, niacin and pyridoxine.
Proc Nutr Soc. 1999;58(2):435-440.
Prasad AS, Lei KY, Moghissi KS, et al. Effect of oral
contraceptives on nutrients. III. Vitamins B6, B12, and
folic acid. Am J Obstet Gynecol.
1976;125(8):1063-1069.
Rivers JM. Oral contraceptives and ascorbic acid. Am
J Clin Nutr. 1975;28(5):550-554.
Seelig MS. Increased need for magnesium with the use
of combined oestrogen and calcium for osteoporosis
treatment. Magnes Res. 1990;3(3):197-215.
Seelig MS. Interrelationship of magnesium and
estrogen in cardiovascular and bone disorders, eclampsia,
migraine and premenstrual syndrome. J Am Coll Nutr.
1993;12(4):442-458.
Shojania AM. Oral contraceptives: effect of folate
and vitamin B12 metabolism. Can Med Assoc J.
1982;126(3):244-247.
Slap GB. Oral contraceptives and depression: impact,
prevalence and cause. J Adolesc Health Care.
1981;2(1):53-64.
Stanton MF, Lowenstein FW. Serum magnesium in women
during pregnancy, while taking contraceptives, and after
menopause. J Am Coll Nutr. 1987;6(4):313-319.
Tyrer LB. Nutrition and the pill. J Reprod Med.
1984;29(7 Suppl):547-550.
Webb JL. Nutritional effects of oral contraceptive
use: a review. J Reprod Med. 1980;25(4):150-156.
Webb JL. Nutritional effects of oral contraceptive
use: a review. J Reprod Med. 1980;25(4):150-156.
Weininger J, King JC. Effect of oral contraceptive
agents on ascorbic acid metabolism in the rhesus monkey.
Am J Clin Nutr. 1982;35(6):1408-1416.
Wilson JD. Vitamin deficiency and excess. In: Fauci
AS, Braunwald E, Isselbacher KJ, et al, eds. Harrison's
Principles of Internal Medicine. 14th ed.
New York: McGraw-Hill Companies Health Professional
Division; 1998:483-485.