title: Verification.
authors.affiliation: New England Medical Center, Boston.
authors.forename: J P
authors.initials: JP
authors.lastname: Kassirer
authors.forename: R I
authors.initials: RI
authors.lastname: Kopelman
mesh_terms: D001706:Biopsy; D003937:Diagnosis, Differential; D015433:Glomerulonephritis, Membranous / Q000150:complications / Q000175:diagnosis / Q000473:pathology; D006801:Humans; D006973:Hypertension / Q000175:diagnosis* / Q000188:drug therapy / Q000209:etiology; D007668:Kidney / Q000473:pathology; D008297:Male; D008875:Middle Aged; D009400:Nephrosclerosis / Q000150:complications / Q000175:diagnosis / Q000473:pathology