title: Advice from a vendor: play the trump card.
authors.affiliation: Department of Surgery, University of Michigan, Ann Arbor 48109-0346, USA.
authors.forename: L J
authors.initials: LJ
authors.lastname: Greenfield
mesh_terms: D000046:Academic Medical Centers / Q000191:economics / Q000458:organization & administration*; D004465:Economic Competition; D006801:Humans; D017060:Patient Satisfaction; D013503:Surgery Department, Hospital / Q000191:economics / Q000458:organization & administration*