@misc{indiciae68be97131703, title = {Lung complications after elective hip surgery.}, author = {D Bergqvist and T Hallböök and B Lindblad and A Lindhagen}, year = {1982}, doi = {10.3109/17453678208992297}, url = {https://pubmed.ncbi.nlm.nih.gov/6182735/}, note = {Source identifier: 6182735} }