title: What makes Lance Armstrong tick? He has a big ticker.
authors.forename: Tsung O
authors.initials: TO
authors.lastname: Cheng
mesh_terms: D000328:Adult; D001642:Bicycling; D006801:Humans; D017379:Hypertrophy, Left Ventricular / Q000150:complications / Q000503:physiopathology*; D008297:Male; D005082:Physical Exertion / Q000502:physiology*; D013736:Testicular Neoplasms / Q000150:complications; D016277:Ventricular Function, Left / Q000502:physiology*