Centralized surgical unit, bacterial density, wound infections.
D000391:Air Microbiology; D000985:Antisepsis; D003428:Cross Infection; D006801:Humans; D008284:Maintenance and Engineering, Hospital; D009873:Operating Rooms; D011182:Postoperative Care; D011183:Postoperative Complications; D013210:Staphylococcus / Q000472:pathogenicity; D013530:Surgical Wound Infection / Q000453:epidemiology* / Q000517:prevention & control