@misc{indiciae34e19a8a4d40, title = {Histopathological study on the conduction system in rheumatic valvular disease, using serial sectioning method.}, author = {K Fukuda and R Okada}, year = {1980}, doi = {10.1253/jcj.44.827}, url = {https://pubmed.ncbi.nlm.nih.gov/7001084/}, note = {Source identifier: 7001084} }