PT - JOURNAL ARTICLE AU - C Picado TI - Therapeutic implications of a precise diagnosis of airflow obstruction AID - 10.1183/09031936.93.03091091 DP - 1990 Oct 01 TA - European Respiratory Journal PG - 1091--1094 VI - 3 IP - 9 4099 - http://erj.ersjournals.com/content/3/9/1091.short 4100 - http://erj.ersjournals.com/content/3/9/1091.full SO - Eur Respir J1990 Oct 01; 3