title: Bacterial shedding during surgery.
authors.forename: S
authors.initials: S
authors.lastname: Berger
mesh_terms: D001419:Bacteria / Q000302:isolation & purification*; D006328:Cardiac Catheterization; D003428:Cross Infection / Q000517:prevention & control*; D006801:Humans; D008397:Masks; D013212:Staphylococcus epidermidis / Q000302:isolation & purification*