@misc{indiciae5c7494d7c8be, title = {Mid-ventricular hypertrophy without clinically apparent obstruction.}, author = {D L Levene and J Ferris}, year = {1977}, doi = {10.1016/s0002-8703(77)80219-6}, url = {https://pubmed.ncbi.nlm.nih.gov/144432/}, note = {Source identifier: 144432} }