@misc{indiciaedf03295a446a, title = {Explain the change in PR Interval and bundle branch block pattern with comparably coupled atrial premature beats.}, author = {B B Pavri and K L Wong and D Z Kocovic and M B Simson}, year = {1997}, doi = {10.1111/j.1540-8167.1997.tb00785.x}, url = {https://pubmed.ncbi.nlm.nih.gov/9048254/}, note = {Source identifier: 9048254} }