Letter: Human tumour xenografts.
D000818:Animals; D001853:Bone Marrow / Q000276:immunology; D001854:Bone Marrow Cells; D006367:HeLa Cells; D006801:Humans; D066298:In Vitro Techniques; D051379:Mice; D009362:Neoplasm Metastasis; D009368:Neoplasm Transplantation; D009374:Neoplasms, Experimental; D013934:Thymectomy; D014181:Transplantation Immunology; D014183:Transplantation, Heterologous