@misc{indiciaec8aa45500074, title = {Cardiac anatomy viewed systematically with two dimensional echocardiography.}, author = {R L Popp and R Fowles and D J Coltart and R P Martin}, year = {1979}, doi = {10.1378/chest.75.5.579}, url = {https://pubmed.ncbi.nlm.nih.gov/436487/}, note = {Source identifier: 436487} }