title: Invited commentary.
authors.affiliation: Boston, Mass.
authors.forename: Michael
authors.initials: M
authors.lastname: Belkin
mesh_terms: D057510:Endovascular Procedures; D005260:Female; D006801:Humans; D007511:Ischemia / Q000601:surgery*; D035002:Lower Extremity / Q000098:blood supply*; D008297:Male; D058729:Peripheral Arterial Disease / Q000601:surgery*; D014656:Vascular Surgical Procedures