Fig. 1From: Circulating stem cells, HIF-1, and SDF-1 in septic abdominal surgical patients: randomized controlled study protocolWork flow for the study. After recruitment, the participants will be allocated into one of two groups: postoperative septic patients in an intensive care unit (group S) or postoperative non-septic patients in an emergency surgical ward (group C). Healthy volunteers (group H) will be recruited from among staff members of University Hospital FoggiaBack to article page