title: Letter: Kinetics of lymphocytes.
mesh_terms: D001345:Autoradiography; D002455:Cell Division; D002859:Chromium Isotopes; D003562:Cytidine; D006801:Humans; D007700:Kinetics; D007945:Leukemia, Lymphoid / Q000097:blood*; D008214:Lymphocytes; D014316:Tritium
chemical_list: D002859:Chromium Isotopes; D014316:Tritium; D003562:Cytidine