@misc{indiciaec61b08590679, title = {Left atrial parasystole.}, author = {A Collado and M M Mower and B Tabatznik}, year = {1971}, doi = {10.1378/chest.59.2.214}, url = {https://pubmed.ncbi.nlm.nih.gov/5100822/}, note = {Source identifier: 5100822} }