title: Stimulatory effect of a calf thymic extract on the PHA responsiveness of bone marrow cells.
mesh_terms: D000818:Animals; D001853:Bone Marrow / Q000187:drug effects*; D001854:Bone Marrow Cells; D002454:Cell Differentiation; D004912:Erythrocytes / Q000276:immunology; D007111:Immunity, Cellular; D037102:Lectins / Q000494:pharmacology; D008214:Lymphocytes / Q000187:drug effects*; D051379:Mice; D013601:T-Lymphocytes / Q000254:growth & development; D013934:Thymectomy; D013950:Thymus Gland; D014020:Tissue Extracts / Q000494:pharmacology*
chemical_list: D037102:Lectins; D014020:Tissue Extracts