@misc{indiciae2767412ab396, title = {[Statistical analysis of the ECG R-R intervals in certain types of heart rhythm disorders].}, author = {S P Bulgakov and B M Tsukerman and D V Shargorodskaia}, year = {1978}, url = {https://pubmed.ncbi.nlm.nih.gov/91156/}, note = {Source identifier: 91156} }