title: Effects of the space flight environment on man's immune system. II. Lymphocyte counts and reactivity.
mesh_terms: D001772:Blood Cell Count; D002455:Cell Division; D002478:Cells, Cultured; D004247:DNA / Q000096:biosynthesis; D037102:Lectins / Q000494:pharmacology; D008213:Lymphocyte Activation; D008214:Lymphocytes / Q000276:immunology; D012313:RNA / Q000096:biosynthesis; D013026:Space Flight
chemical_list: D037102:Lectins; D012313:RNA; D004247:DNA