PT - JOURNAL ARTICLE AU - Mayron F. Oliveira AU - Flavio Arbex AU - Maria Clara N. Alencar AU - Aline Soares AU - Audrey Borghi-Silva AU - Dirceu Almeida AU - J. Alberto Neder TI - Heart failure impairs cerebral oxygenation during exercise in patients with COPD AID - 10.1183/09031936.00090913 DP - 2013 Nov 01 TA - European Respiratory Journal PG - 1423--1426 VI - 42 IP - 5 4099 - http://erj.ersjournals.com/content/42/5/1423.short 4100 - http://erj.ersjournals.com/content/42/5/1423.full SO - Eur Respir J2013 Nov 01; 42