@misc{indiciaed599242e407d, title = {Postoperative pain management.}, author = {H W Hopf and S Weitz}, year = {1994}, doi = {10.1001/archsurg.1994.01420260014002}, url = {https://pubmed.ncbi.nlm.nih.gov/8304824/}, note = {Source identifier: 8304824} }