TY - RPRT TI - Relation between marked changes in left ventricular outflow tract gradient and disease progression in hypertrophic cardiomyopathy. AU - E CirĂ³ AU - B J Maron AU - R O Bonow AU - R O Cannon AU - S E Epstein PY - 1984 DO - 10.1016/0002-9149(84)90645-3 UR - https://pubmed.ncbi.nlm.nih.gov/6538385/ ID - 6538385 ER -