title: Echocardiography is not sufficient to diagnose pulmonary arterial hypertension in systemic sclerosis: comment on the article by Wigley et al.
authors.forename: Anton
authors.initials: A
authors.lastname: Vonk-Noordegraaf
authors.forename: Alexandre E
authors.initials: AE
authors.lastname: Voskuyl
authors.forename: Ben A C
authors.initials: BA
authors.lastname: Dijkmans
mesh_terms: D015150:Echocardiography, Doppler; D006801:Humans; D006976:Hypertension, Pulmonary / Q000150:complications / Q000000981:diagnostic imaging*; D012595:Scleroderma, Systemic / Q000150:complications*