article_metadata: Georgios Christopoulos Zachary Barrett-O'Keefe Krishnaswamy Chandrasekaran
article_metadata: 10.4103/jcecho.jcecho_48_19
article_metadata: J Cardiovasc Echogr
article_metadata: 2020 Jan-Mar;30(1):33-34.
article_metadata: athlete's heart echocardiography ejection fraction
article_metadata: CC BY-NC-SA
article_metadata: https://pubmed.ncbi.nlm.nih.gov/32766104/
article_metadata: Case Reports
article_metadata: PMC7307621
article_metadata: 32766104
article_metadata: The Significance of "Contractile Reserve" in the Echocardiographic Assessment of Athletic Heart Syndrome
article_metadata: 2020