@misc{indiciae4e2a855d6086, title = {[Pacemaker and optimal heart rate (with special reference to the left cardiac function)].}, author = {T Makita and T Hara and A Nakamura and K Oga and S Tanabe}, year = {1974}, url = {https://pubmed.ncbi.nlm.nih.gov/4473496/}, note = {Source identifier: 4473496} }