title: Is progestogen supplementation of ERT really necessary?
authors.forename: Frederick
authors.initials: F
authors.lastname: Naftolin
authors.forename: David
authors.initials: D
authors.lastname: Silver
mesh_terms: D000368:Aged; D002986:Clinical Trials as Topic; D004359:Drug Therapy, Combination; D016889:Endometrial Neoplasms / Q000453:epidemiology*; D015914:Estrogen Replacement Therapy / Q000379:methods* / Q000706:statistics & numerical data*; D005260:Female; D006801:Humans; D015993:Life Tables; D008875:Middle Aged; D011372:Progestins / Q000008:administration & dosage*; D011788:Quality of Life
chemical_list: D011372:Progestins