@misc{indiciae928966f5d784, title = {Cardio-aortic operation in octogenarians.}, author = {M Ohashi and S Fukunaga and H Kawano and E Tayama and H Kashikie and H Akashi and T Kawara and A Ohryoji and S Aoyagi}, year = {2001}, doi = {10.1007/bf02913123}, url = {https://pubmed.ncbi.nlm.nih.gov/11233242/}, note = {Source identifier: 11233242} }