@misc{indiciaedb24005d3b1c, title = {[Pneumopericardium].}, author = {T Tanabe and S Ota and M Tomiyama and T Shiraishi and S Machida}, year = {1971}, url = {https://pubmed.ncbi.nlm.nih.gov/5169400/}, note = {Source identifier: 5169400} }