title: Changes in blood lymphocytes during the neonatal period.
mesh_terms: D000367:Age Factors; D001345:Autoradiography; D003562:Cytidine / Q000378:metabolism; D004247:DNA / Q000096:biosynthesis; D006801:Humans; D007231:Infant, Newborn; D007958:Leukocyte Count; D008214:Lymphocytes / Q000378:metabolism / Q000502:physiology*; D012313:RNA / Q000096:biosynthesis; D013936:Thymidine / Q000378:metabolism; D013997:Time Factors; D014316:Tritium
chemical_list: D014316:Tritium; D003562:Cytidine; D012313:RNA; D004247:DNA; D013936:Thymidine