@misc{indiciae3356aee57491, title = {When is a patient prone for prone?}, author = {D Pappert and K J Falke}, year = {1996}, doi = {10.1097/00000539-199612000-00001}, url = {https://pubmed.ncbi.nlm.nih.gov/8942575/}, note = {Source identifier: 8942575} }