Screening for portopulmonary hypertension with transthoracic echocardiography: implications for early mortality associated with liver transplantation.

Ford HJ, Aris RM, Andreoni K. Screening for portopulmonary hypertension with transthoracic echocardiography: implications for early mortality associated with liver transplantation. Am J Respir Crit Care Med. 2009 Aug 15; 180(4):378; author reply 378-9.

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