title: Letter: Tissue and organ transplants.
mesh_terms: D002196:Capillaries / Q000276:immunology; D006084:Graft Rejection; D016040:Lung Transplantation; D008722:Methods; D009132:Muscles / Q000637:transplantation; D014181:Transplantation Immunology; D014184:Transplantation, Homologous