title: Letter: Effects of oral contraceptives on endogenous hormone secretion.
mesh_terms: D003276:Contraceptives, Oral / Q000494:pharmacology*; D005260:Female; D005640:Follicle Stimulating Hormone / Q000378:metabolism*; D006801:Humans; D007986:Luteinizing Hormone / Q000378:metabolism*; D011863:Radioimmunoassay
chemical_list: D003276:Contraceptives, Oral; D007986:Luteinizing Hormone; D005640:Follicle Stimulating Hormone