title: Secondary hypertension: beginnings and transitions.
authors.affiliation: Division of Nephrology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD.
authors.forename: C John
authors.initials: CJ
authors.lastname: Sperati
authors.affiliation: Division of Nephrology and Hypertension, Department of Medicine, University of Missouri-Columbia School of Medicine, Harry S. Truman Memorial Veterans Hospital, Columbia, MO.
authors.forename: Adam
authors.initials: A
authors.lastname: Whaley-Connell