Patent foramen ovale and platypnea-orthodeoxia syndrome.
Bittl
J A
JA
D000368:Aged; D004417:Dyspnea / Q000209:etiology*; D005260:Female; D006344:Heart Septal Defects, Atrial / Q000150:complications; D006346:Heart Septum; D006801:Humans; D013577:Syndrome