Pre-pregnancy microalbuminuria predicts pre-eclampsia in insulin-dependent diabetes mellitus. Copenhagen Pre-eclampsia in Diabetic Pregnancy Study Group. - Ekbom, Pia; Damm, Peter; Stage, Edna; Feldt-Rasmussen, Bo; Feldt-Rasmussen, Ulla; Molsted-Pederson, Lars; Norgaard, Kirsten; Svenningsen, Annette; Clausen, Peter; Nielsen, Laust H.; Mathiesen, Elizabeth R.; Ekbom, P (Lancet, 1999)