title: Spleen colony formation in radiation chimeras treated with allopurinol and ampicillin.
mesh_terms: D000493:Allopurinol / Q000494:pharmacology*; D000667:Ampicillin / Q000494:pharmacology*; D000818:Animals; D016026:Bone Marrow Transplantation; D002999:Clone Cells / Q000187:drug effects; D006410:Hematopoiesis / Q000187:drug effects*; D051379:Mice; D013154:Spleen / Q000166:cytology* / Q000187:drug effects; D014184:Transplantation, Homologous
chemical_list: D000493:Allopurinol; D000667:Ampicillin