@misc{indiciaef4786835f749, title = {[Occult conduction in the atrio-ventricular node: preliminary observations].}, author = {F ZacĂ  and G Abate and R M Polimeri and G Costa and G P Cesari and P L Paglierani}, year = {1977}, url = {https://pubmed.ncbi.nlm.nih.gov/35185/}, note = {Source identifier: 35185} }