@misc{indiciaeaebb6dd7fdd3, title = {Recent developments in patient-controlled analgesia.}, author = {Klaus A Lehmann}, year = {2005}, doi = {10.1016/j.jpainsymman.2005.01.005}, url = {https://pubmed.ncbi.nlm.nih.gov/15907649/}, note = {Source identifier: 15907649} }