PT - JOURNAL ARTICLE AU - Milburn, HJ TI - Lymphocyte subsets in hypersensitivity pneumonitis DP - 1992 Jan 01 TA - European Respiratory Journal PG - 5--7 VI - 5 IP - 1 4099 - http://erj.ersjournals.com/content/5/1/5.short 4100 - http://erj.ersjournals.com/content/5/1/5.full SO - Eur Respir J1992 Jan 01; 5