Difference in the phenotypes of bronchoalveolar lavage lymphocytes in patients with summer-type hypersensitivity pneumonitis, farmer's lung, ventilation pneumonitis, and bird fancier's lung: report of a nationwide epidemiologic study in Japan - Ando,M.; Konishi,K.; Yoneda,R.; Tamura,M. (J Allergy Clin Immunol, 1991)