PT - JOURNAL ARTICLE AU - MarĂ­a Montes de Oca AU - Maria Victorina Lopez TI - Chronic bronchitis: an objective diagnosis of exclusion AID - 10.1183/09031936.00129812 DP - 2012 Nov 01 TA - European Respiratory Journal PG - 1305--1306 VI - 40 IP - 5 4099 - http://erj.ersjournals.com/content/40/5/1305.2.short 4100 - http://erj.ersjournals.com/content/40/5/1305.2.full SO - Eur Respir J2012 Nov 01; 40