Mahmutaj, D., S. Krasniqi, B. Braha, D. Limani, and B. Neziri. “The Predictive Role of Procalcitonin On the Treatment of Intra-Abdominal Infections”. Open Access Macedonian Journal of Medical Sciences, vol. 5, no. 7, Nov. 2017, pp. 909-14, doi:10.3889/oamjms.2017.194.