Lymphocyte interaction in vitro.
D000900:Anti-Bacterial Agents; D000937:Antigen-Antibody Reactions; D000941:Antigens; D001773:Blood Cells; D002455:Cell Division; D066298:In Vitro Techniques; D037102:Lectins; D008214:Lymphocytes; D013301:Streptolysins; D014373:Tuberculin
D000900:Anti-Bacterial Agents; D000941:Antigens; D037102:Lectins; D013301:Streptolysins; D014373:Tuberculin