title: Preparing the operation site. 2. Experimental work.
mesh_terms: D000985:Antisepsis; D001419:Bacteria / Q000302:isolation & purification; D001431:Bacteriological Techniques; D003428:Cross Infection / Q000517:prevention & control*; D006801:Humans; D011300:Preoperative Care; D012867:Skin / Q000382:microbiology; D013530:Surgical Wound Infection / Q000517:prevention & control*