title: WITHDRAWN: Upright versus supine position in examining a patient with hypertrophic cardiomyopathy.
abstract: The Publisher regrets that this article is an accidental duplication of an article that has already been published, doi:10.1016/j.ijcard.2009.11.054. The duplicate article has therefore been withdrawn.
authors.affiliation: Department of Medicine, The George Washington University Medical Center, 2150 Pennsylvania Avenue, N.W., Washington, D.C. 20037, United States.
authors.forename: Tsung O
authors.initials: TO
authors.lastname: Cheng