id	keyword
dpc-561	infection
dpc-561	antibiotic
dpc-561	surgery
dpc-561	ssi
dpc-561	intervention
dpc-561	study
dpc-561	dermatol
dpc-561	participants
dpc-561	prophylaxis
dpc-561	control
dpc-561	cephalexin
dpc-561	site
dpc-561	wound