Ramezani, M., M. Mohammadi, M. T. Beigmohammadi, H. Abtahi, M. Ahmadi, and E. Safavi. “Admission and Discharge from ICU: Do We Have Any Protocol?”. Archives of Anesthesiology and Critical Care, Vol. 1, no. 4, Nov. 2015, pp. 141-3, http://aacc.tums.ac.ir/index.php/aacc/article/view/52.