@misc{indiciae4273cc53744d, title = {Relation between marked changes in left ventricular outflow tract gradient and disease progression in hypertrophic cardiomyopathy.}, author = {E CirĂ³ and B J Maron and R O Bonow and R O Cannon and S E Epstein}, year = {1984}, doi = {10.1016/0002-9149(84)90645-3}, url = {https://pubmed.ncbi.nlm.nih.gov/6538385/}, note = {Source identifier: 6538385} }