@misc{indiciaefb4251d085d6, title = {The normal adolescent electrocardiogram.}, author = {W B Strong and T D Downs and J Liebman and R Liebowitz}, year = {1972}, doi = {10.1016/0002-8703(72)90113-5}, url = {https://pubmed.ncbi.nlm.nih.gov/5010961/}, note = {Source identifier: 5010961} }