title: Future improvements of grafts.
mesh_terms: D000818:Animals; D001158:Arteries / Q000637:transplantation; D001705:Bioprosthesis; D001807:Blood Vessel Prosthesis / Q000592:standards*; D001808:Blood Vessels / Q000502:physiology; D006801:Humans; D011108:Polymers; D011474:Prosthesis Design; D012106:Research; D014680:Veins / Q000637:transplantation
chemical_list: D011108:Polymers