title: The value of radioimmunoassay of LH, FSH, and PRL in the diagnosis of secondary amenorrhea.
mesh_terms: D000293:Adolescent; D000328:Adult; D000568:Amenorrhea / Q000145:classification / Q000175:diagnosis*; D005260:Female; D005640:Follicle Stimulating Hormone / Q000097:blood*; D006801:Humans; D007006:Hypogonadism / Q000150:complications; D007986:Luteinizing Hormone / Q000097:blood*; D011388:Prolactin / Q000097:blood*; D011863:Radioimmunoassay
chemical_list: D011388:Prolactin; D007986:Luteinizing Hormone; D005640:Follicle Stimulating Hormone