P.HA. and thymic lymphocytes.
D000293:Adolescent; D002455:Cell Division; D002648:Child; D002675:Child, Preschool; D046508:Culture Techniques; D004247:DNA / Q000096:biosynthesis*; D006801:Humans; D037102:Lectins; D008214:Lymphocytes / Q000378:metabolism*; D010759:Phosphorus Isotopes; D013936:Thymidine; D013950:Thymus Gland / Q000166:cytology*; D014316:Tritium
D037102:Lectins; D010759:Phosphorus Isotopes; D014316:Tritium; D004247:DNA; D013936:Thymidine