Effect of oral contraceptives on serum folic acid content.
D000410:Alanine Transaminase / Q000097:blood; D001773:Blood Cells; D001811:Blood Volume Determination; D003276:Contraceptives, Oral / Q000008:administration & dosage*; D004967:Estrogens / Q000008:administration & dosage; D005260:Female; D005492:Folic Acid / Q000097:blood*; D006452:Hemoglobinometry; D006801:Humans; D011372:Progestins / Q000008:administration & dosage; D013997:Time Factors
D003276:Contraceptives, Oral; D004967:Estrogens; D011372:Progestins; D005492:Folic Acid; D000410:Alanine Transaminase