@incollection{Ahmed20, author = {Sohel M.G. Ahmed and Malek Ahmad Alali and Kathy Lynn Gaviola Atuel and Mogahed Ismail Hassan Hussein}, title = {American Society of Anesthesiologists Physical Status Classification System: History, Development, Reliability, and Its Future}, booktitle = {Surgical Recovery}, publisher = {IntechOpen}, address = {Rijeka}, year = {2020}, editor = {Selim Sozen}, chapter = {1}, doi = {10.5772/intechopen.89704}, url = {https://doi.org/10.5772/intechopen.89704} }