@article{doi:10.1001/archinte.1969.00300170124038, author = {Paul O}, title = {A primer of cardiac diagnosis.}, journal = {Archives of Internal Medicine}, volume = {124}, number = {1}, pages = {122}, year = {1969}, doi = {10.1001/archinte.1969.00300170124038}, URL = { + http://dx.doi.org/10.1001/archinte.1969.00300170124038}, eprint = {/data/Journals/INTEMED/15744/archinte_124_1_038.pdf} }