From the Non-Invasive Cardiology Laboratory (R.A.L., J.L.G., A.E.W.), Department of Medicine, and the Surgical Cardiovascular Unit (G.J.V.), Department of Surgery ...
From the Harold Brunn Institute, Mount Zion Hospital, San Francisco, Calif. Accountants were selectively chosen as a self-controlled group for studying effects of cyclic occupational stress upon serum ...