@misc{indiciae03fcc2693362, title = {Left ventricular systolic function in aortic stenosis.}, author = {H P Krayenbuehl and O M Hess and M Ritter and E S Monrad and H Hoppeler}, year = {1988}, doi = {10.1093/eurheartj/9.suppl\_e.19}, url = {https://pubmed.ncbi.nlm.nih.gov/2969811/}, note = {Source identifier: 2969811} }