Wound contamination with skin organisms.
D000328:Adult; D000368:Aged; D001419:Bacteria / Q000302:isolation & purification; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012867:Skin / Q000382:microbiology*; D013525:Surgical Instruments; D013530:Surgical Wound Infection / Q000209:etiology* / Q000517:prevention & control