title: Ontogeny of phytohemagglutinin-induced gamma interferon by leukocytes of healthy infants and children: evidence for decreased production in infants younger than 2 months of age.
mesh_terms: D000328:Adult; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D005312:Fetal Blood / Q000032:analysis; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007371:Interferon-gamma / Q000096:biosynthesis*; D007962:Leukocytes / Q000378:metabolism*; D008213:Lymphocyte Activation; D010835:Phytohemagglutinins / Q000494:pharmacology*
chemical_list: D010835:Phytohemagglutinins; D007371:Interferon-gamma