Affiliation: | 1. Nuclear Medicine Laboratory, BRH, FDA, University of Cincinnati College of Medicine, Cincinnati General Hospital, Cincinnati, OH 45267, U.S.A.;2. Radioisotope Laboratory, University of Cincinnati College of Medicine, Cincinnati General Hospital, Cincinnati, OH 45267, U.S.A.;3. Statistical Unit of the Department of Computer Services, University of Chincinnati College of Medicine, Cincinnati, OH 45267, U.S.A. |