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Platypnea-orthodeoxia syndrome: a diagnostic challenge.
Desouza KA, Saraswat S, DeSouza SA, Rajaram V, Reddy PC, Mosley L, Tandon N. Desouza KA, et al. Among authors: desouza sa. South Med J. 2009 Oct;102(10):1046-8. doi: 10.1097/SMJ.0b013e3181b35f0f. South Med J. 2009. PMID: 19738537