title: Control of mixed lymphocyte reactions by cellular concentration: studies in 20 microliters hanging droplet cultures.
mesh_terms: D002452:Cell Count; D002460:Cell Line; D002478:Cells, Cultured; D006680:HLA Antigens / Q000235:genetics; D006801:Humans; D008213:Lymphocyte Activation; D008214:Lymphocytes / Q000166:cytology / Q000276:immunology*; D009103:Multiple Sclerosis / Q000276:immunology; D013997:Time Factors
chemical_list: D006680:HLA Antigens