Bibliographical noteFunding Information:
From the Department of Pathology, United Hospitals-Miller Division, St. Paul, and the Departments of Pediatrics and Pathology, University of Minnesota, Minneapolis, Minn. This study was supported by Public Health Service Research Grant 5 RO1 HL05694 and Research Training Grant 5 TO1 HL05570 from the National Heart and Lung Iustitute. Received for publication April 15, 1975. Reprint requests: Jesse E. Edwards, M.D., Department of Pathology, United Hospitals-Miller Division, 125 W. College Ave., St. Paul, Minn. 55102. *Medical Student, University of Minnesota.