title: Whether or "knot": breaking the tie.
authors.affiliation: Discover Vision Center, Kansas City, USA. jhagan@bizkc.rr.com
authors.forename: John C
authors.initials: JC
authors.lastname: Hagan
mesh_terms: D001419:Bacteria / Q000302:isolation & purification*; D003020:Clothing; D003428:Cross Infection / Q000517:prevention & control / Q000635:transmission*; D006801:Humans; D010820:Physicians