title: Letter: Intranasal administration of synthetic gonadotrophin-releasing hormone.
mesh_terms: D000281:Administration, Intranasal; D000568:Amenorrhea / Q000188:drug therapy; D005260:Female; D005640:Follicle Stimulating Hormone / Q000097:blood; D006801:Humans; D007275:Injections, Intravenous; D007986:Luteinizing Hormone / Q000097:blood; D008297:Male; D010906:Pituitary Hormone-Releasing Hormones / Q000008:administration & dosage*
chemical_list: D010906:Pituitary Hormone-Releasing Hormones; D007986:Luteinizing Hormone; D005640:Follicle Stimulating Hormone