J J Saÿen
J J Saÿen
1Robinette Foundation, Medical Clinic, Hospital of the University of Pennsylvania, Philadelphia, Penna.
2The Harrison Department of Surgical Research and the Department of Pathology, Medical School of the University of Pennsylvania, Philadelphia, Penna.
1,2,
W F Sheldon
W F Sheldon
1Robinette Foundation, Medical Clinic, Hospital of the University of Pennsylvania, Philadelphia, Penna.
2The Harrison Department of Surgical Research and the Department of Pathology, Medical School of the University of Pennsylvania, Philadelphia, Penna.
1,2,
Orville Horwitz
Orville Horwitz
1Robinette Foundation, Medical Clinic, Hospital of the University of Pennsylvania, Philadelphia, Penna.
2The Harrison Department of Surgical Research and the Department of Pathology, Medical School of the University of Pennsylvania, Philadelphia, Penna.
1,2,
Peter T Kuo
Peter T Kuo
1Robinette Foundation, Medical Clinic, Hospital of the University of Pennsylvania, Philadelphia, Penna.
2The Harrison Department of Surgical Research and the Department of Pathology, Medical School of the University of Pennsylvania, Philadelphia, Penna.
1,2,
George Peirce
George Peirce
1Robinette Foundation, Medical Clinic, Hospital of the University of Pennsylvania, Philadelphia, Penna.
2The Harrison Department of Surgical Research and the Department of Pathology, Medical School of the University of Pennsylvania, Philadelphia, Penna.
1,2,
Harry F Zinsser
Harry F Zinsser
1Robinette Foundation, Medical Clinic, Hospital of the University of Pennsylvania, Philadelphia, Penna.
2The Harrison Department of Surgical Research and the Department of Pathology, Medical School of the University of Pennsylvania, Philadelphia, Penna.
1,2,
John Mead Jr
John Mead Jr
1Robinette Foundation, Medical Clinic, Hospital of the University of Pennsylvania, Philadelphia, Penna.
2The Harrison Department of Surgical Research and the Department of Pathology, Medical School of the University of Pennsylvania, Philadelphia, Penna.
1,2
1Robinette Foundation, Medical Clinic, Hospital of the University of Pennsylvania, Philadelphia, Penna.
2The Harrison Department of Surgical Research and the Department of Pathology, Medical School of the University of Pennsylvania, Philadelphia, Penna.
1 This investigation was supported by research grants from the National Heart Institute, of the National Institutes of Health, Public Health Service (USPH-398 and 392) and from the Life Insurance Fund for Medical Research.