title: To collaborate or not? Does it make a real difference?
mesh_terms: D003299:Cooperative Behavior; D003428:Cross Infection / Q000517:prevention & control; D006801:Humans; D015337:Multicenter Studies as Topic; D011787:Quality of Health Care; D016032:Randomized Controlled Trials as Topic; D013503:Surgery Department, Hospital; D014481:United States