Incidence of Post-Operative Sepsis and Role of Charlson Co-Morbidity Score for Predicting Postoperative Sepsis - Emami-Razavi, Seyed Hassan; Mohammadi, Atefeh; Alibakhshi, Abbas; Jalali, Mehdi; Ghajarzadeh, Mahsa (Acta Medica Iranica, 2016)