Pietra GG, Capron F, Stewart S; et al. (2004). „Pathologic assessment of vasculopathies in pulmonary hypertension.”. Journal of the American College of Cardiology. 43 (12 Suppl S): 25S—32S. PMID15194175. doi:10.1016/j.jacc.2004.02.033.CS1 одржавање: Вишеструка имена: списак аутора (веза)
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Pietra GG, Capron F, Stewart S; et al. (2004). „Pathologic assessment of vasculopathies in pulmonary hypertension.”. Journal of the American College of Cardiology. 43 (12 Suppl S): 25S—32S. PMID15194175. doi:10.1016/j.jacc.2004.02.033.CS1 одржавање: Вишеструка имена: списак аутора (веза)