Improvements in the 6-min walk test and spirometry following thoracentesis for symptomatic pleural effusions - Cartaxo, Ana Maria; Vargas, Francisco S.; Salge, João Marcos; Marcondes, Bianca F.; Genofre, Eduardo H.; Antonangelo, Leila; Marchi, Evaldo; Teixeira, Lisete R. (Chest, 2011)