Bibliographical noteFunding Information:
From the Departments of Medicine and Pathology, The Charles T. Miller Hosp:tal, St. Paul, Minn.. and the Depart-ments of Medicine, Radiology, and Pathology, University of Minnesota, Minneapolis. Minn. This study was supported by Public Health Service Training Grant No. 5 Tl HE 5570 and Reasearch Grant No. HE 5694 from the National Heart Institute. United States Public Health Service. Received for publication Jan. 6. 1965. *Address: Department of Pathology, The CharlesT. Miller Hospital, 125 West College Ave., St. Paul 2, Minn.