@misc{indiciae9d4957d2a22e, title = {Comparative physiological and morphological aspects of pacemaker tissues.}, author = {H H Hecht}, year = {1965}, doi = {10.1111/j.1749-6632.1965.tb49392.x}, url = {https://pubmed.ncbi.nlm.nih.gov/5217277/}, note = {Source identifier: 5217277} }