title: Challenges.
authors.affiliation: Peninsula Vascular Surgery Associates, Burlingame, California 94010.
authors.forename: R L
authors.initials: RL
authors.lastname: Tawes
mesh_terms: D003695:Delivery of Health Care / Q000191:economics; D006801:Humans; D008019:Life Style; D013677:Medical Laboratory Science; D014481:United States; D014656:Vascular Surgical Procedures / Q000592:standards*