TY - JOUR T1 - The etiology of extensive pleural effusions with troublesome clinical course among children JO - Sao Paulo Medical Journal A1 - Cirino, Luís Marcelo Inaco A1 - Gomes, Filumena Maria da Silva A1 - Batista, Bernardo Nogueira SN - 1516-3180 UL - 10.1590/S1516-31802004000600008 VL - 122 Y1 - 2004 PB - Brasil ER -