title: The role of Doppler echocardiography in pulmonary artery hypertension: the importance of proving the obvious.
authors.affiliation: School of Internal Medicine, University of Alberta, Edmonton, AB, Canada.
authors.forename: Ian
authors.initials: I
authors.lastname: Paterson
authors.affiliation: School of Internal Medicine, University of Alberta, Edmonton, AB, Canada. Electronic address: em2@ualberta.ca.
authors.forename: Evangelos D
authors.initials: ED
authors.lastname: Michelakis
mesh_terms: D015150:Echocardiography, Doppler; D006801:Humans; D006976:Hypertension, Pulmonary / Q000000981:diagnostic imaging*