@misc{indiciae72ed3fac595c, title = {Pacemaker rhythms. Apparent VVI (or ? VOO) pacing by AV sequential demand (DVI) pulse generator.}, author = {S S Barold and M D Falkoff and L S Ong and R A Heinle}, year = {1981}, doi = {10.1111/j.1540-8159.1981.tb03703.x}, url = {https://pubmed.ncbi.nlm.nih.gov/6169026/}, note = {Source identifier: 6169026} }