Discontinuous density gradient analysis of human bone marrow: presence of alloantigen--responsive, PHA--unresponsive cells in norman bone marrow;  absence of B lymphocytes in the bone marrow of patients with X--linked agammaglobulinemia.
D000361:Agammaglobulinemia / Q000276:immunology*; D000818:Animals; D001402:B-Lymphocytes; D001853:Bone Marrow; D001854:Bone Marrow Cells; D002417:Cattle / Q000276:immunology; D002455:Cell Division; D002469:Cell Separation; D002499:Centrifugation, Density Gradient; D005455:Fluorescent Antibody Technique; D007104:Immune Adherence Reaction; D007457:Iodine Radioisotopes; D007519:Isoantigens; D037102:Lectins / Q000494:pharmacology; D008213:Lymphocyte Activation; D008938:Mitosis; D012710:Serum Albumin, Bovine; D013745:Tetanus Toxoid; D013936:Thymidine / Q000378:metabolism; D014316:Tritium
D007457:Iodine Radioisotopes; D007519:Isoantigens; D037102:Lectins; D013745:Tetanus Toxoid; D014316:Tritium; D012710:Serum Albumin, Bovine; D013936:Thymidine