title: Making surgical care better: hard work, small gains.
authors.forename: J T
authors.initials: JT
authors.lastname: Lee
mesh_terms: D019317:Evidence-Based Medicine; D006801:Humans; D017053:Infection Control / Q000379:methods*; D008397:Masks / Q000592:standards; D012107:Research Design; D012307:Risk Factors; D013530:Surgical Wound Infection / Q000517:prevention & control*