Ramani, G. V., & Park, M. H. (2010). Update on the clinical utility of sildenafil in the treatment of pulmonary arterial hypertension. Dove Medical Press.
Chicago-tyylinen lähdeviittausRamani, Gautam V., ja Myung H. Park. Update On the Clinical Utility of Sildenafil in the Treatment of Pulmonary Arterial Hypertension. Dove Medical Press, 2010.
MLA-viiteRamani, Gautam V., ja Myung H. Park. Update On the Clinical Utility of Sildenafil in the Treatment of Pulmonary Arterial Hypertension. Dove Medical Press, 2010.
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