title: STUDIES OF PROTOPORPHYRIN: IV. A COMPARISON OF THE ERYTHROCYTE PROTOPORPHYRIN CONCENTRATION WITH THE RETICULOCYTE PERCENTAGE UNDER EXPERIMENTAL AND CLINICAL CONDITIONS.
authors.affiliation: Division of Internal Medicine, University of Minnesota Hospital, Minneapolis.
authors.forename: C J
authors.initials: CJ
authors.lastname: Watson
authors.forename: M
authors.initials: M
authors.lastname: Grinstein
authors.forename: V
authors.initials: V
authors.lastname: Hawkinson