| Institution: | Clinical Chemistry and Hematology Training Unit, Laboratory Training Section, Center for Disease Control, Atlanta, Georgia, U.S.A.;Pathology Section, Center for Disease Control, Atlanta, Georgia, U.S.A.;Wisconsin State Laboratory of Hygiene, University of Wisconsin, Madison, Wisconsin, U.S.A.;Sinai Hospital of Baltimore, Inc., Baltimore, Maryland, U.S.A.;Division of Cytology, Grady Memorial Hospital, Atlanta, Georgia, U.S.A.;Department of Pathology, University of Rochester School of Medicine, Rochester, New York, U.S.A.;Department of Pathology, Los Angeles County —USC Medical Center, Los Angeles, California, U.S.A.;Division of Cytopathology, Maryland General Hospital, Baltimore, Maryland, U.S.A.;University of Chicago, Chicago Lying-in Hospital, Chicago, Illinois, U.S.A. |
