title: Problems of expression of a putative differentiation alloantigen on tumour cell surface membrane.
mesh_terms: D000818:Animals; D002462:Cell Membrane / Q000276:immunology*; D005802:Genes, MHC Class II; D006649:Histocompatibility Antigens; D009368:Neoplasm Transplantation; D009374:Neoplasms, Experimental / Q000276:immunology; D051381:Rats; D011917:Rats, Inbred Lew / Q000235:genetics
chemical_list: D006649:Histocompatibility Antigens