PT - JOURNAL ARTICLE ED - , TI - Sputum cell profile: no help in occupational asthma AID - 10.1136/oem.59.8.561 DP - 2002 Aug 01 TA - Occupational and Environmental Medicine PG - 561--561 VI - 59 IP - 8 4099 - http://oem.bmj.com/content/59/8/561.short 4100 - http://oem.bmj.com/content/59/8/561.full SO - Occup Environ Med2002 Aug 01; 59