PT - JOURNAL ARTICLE AU - Hargreave, F. E. TI - Extrinsic allergic alveolitis DP - 1973 May 05 TA - Canadian Medical Association Journal PG - 1150--1154 VI - 108 IP - 9 4099 - http://www.cmaj.ca/content/108/9/1150.short 4100 - http://www.cmaj.ca/content/108/9/1150.full SO - CMAJ1973 May 05; 108