[1] Quirce S, Vandenplas O, Campo P,et al. Occupational hypersensitivity pneumonitis: an EAACI position paper [J]. Allergy,2016,71(6):765-779. [2] Hyldgaard C, Hilberg O, Muller A,et al. A cohort study of interstitial lung diseases in central Denmark [J]. Resp Med,2014,108(5):793-799. [3] Dirk T, Heike MM, Francesco B,et al. Diagnostic ap-proach to interstitial pneumonias in a single centre: report on88cases [J]. Diagn Pathol, 2012,7(1):160-172. [4] Rodríguez de CF, Carrillo T, Castillo R, et al. Relation-ships between characteristics of exposure to pigeon anti-gens. Clinical manifestations and humoral immune response [J]. Chest, 1993,103(4):1059-1063. [5] Depierre A, Dalphin JC, Pernet D,et al. Epidemiological study of farmer’s lung in five districts of the French Doubs province [J]. Thorax,1988,43(6):429-435. [6] Costabel U, Bonella F, Guzman J. Chronic hypersensitivi-ty pneumonitis [J]. Clin Chest Med, 2012,33(1):15163. [7] Fishwick D. New Occupational and Environmental Causes of Asthma and Extrinsic Allergic Alveolitis [J]. Clin Chest Med,2012,33(4):605-616. [8] Seed MJ, Enoch SJ, Agius RM. Chemical determinants of occupational hypersensitivity pneumonitis [J]. Occup Med (Oxford, Engl),2015,65(8):673-681. [9] Cormier Y, Letourneau L, Racine G. Sig-nificance of pre-cipitins and asymptomatic lymphocytic alveolitis: a 20- yr follow-up [J]. Eur Respir J, 2004,23(4):523-525. [10] Lacasse Y, Girard M, Cormier Y. Recent advances in hy-persensitivity pneumonitis [J]. Chest,2012,142(1):208-217. [11] Lacasse Y, Selman M, Costabel U,et al. Classification of hypersensitivity pneumonitis: a hypothesis [J]. Int Arch Al-lergy Immunol, 2009,149:161-166. [12] 罗本涛,宇小婷,易祥华.外源性过敏性肺泡炎21例病理和临床分 析[J].同济大学学报(医学版),2015,36(3):63-67. [13] Paolo S, Athol UW, Harold RC. Pharmacological treat-ment of idiopathic pulmonary fibrosis: an update [J]. Drug Discov Today,2015,20(5):15-27. [14] Morell F, Villar A, Montero Má,et al. Chronic hypersen-sitivity pneumonitis in patients diagnosed with idiopathic pulmonary fibrosis: a prospective case- cohort study [J]. Lancet Respir Med,2013,1(9):685-694. [15] Spagnolo P, Rossi G, Cavazza A, et al. Hypersensitivity Pneumonitis: A Comprehensive Review [J]. Investig Aller-gol Clin Immunol,2015,25(4):237-250. [16] 霍真,冯瑞娥.过敏性肺炎的病理变化及诊断难点[J].中国实用内 科杂志,2019,39(2):111-114. [17] Park IN, Kim DS, Shim TS,et al. Acute exacerbation of interstitial pneumonia other than idiopathic pulmonary fibro-sis [J]. Chest, 2007,132(1):214-220. [18] Silva CI, Müller NL, Lynch DA, et al. Chronic HP: dif-ferentiation from idiopathic pulmonary fibrosis and NSIP using CT [J]. Radiol,2008,246(1):288-297. [19] Sverzellati N, Wells AU, Tommasetti S,et al. Biopsy-proved idiopathic pulmonary fibrosis: spectrum of nondiag-nostic thin-section CT diagnosis [J]. Radiol, 2010,254(3):957-964. [20] Lacasse YL, Selman M, Costabel U,et al. Clinical diag-nosis of hypersensitivity pneumonitis [J]. Am J Respir Crit Care Med,2003,168(8):952-958. [21] Viktor Hanak, Jason MG, Jay HR. Causes and Presenting Features in 85 consecutive patients with hypersensitivity pneumonitis [J]. Mayo Clin Proc,2007,82(7):812-816. [22] Spagnolo P, Grunewald J, du Bois RM. Genetic determi-nants of pulmonary fibrosis: evolving concepts [J]. Lancet Resp Med,2014,2(5):416-428. [23] Fernández Pérez ER, Swigris JJ, Forssén AV, etal. Iden-tifying an inciting antigen is associated with improved sur-vival in patients with chronic hypersensitivity pneumonitis [J]. Chest, 2013,144(5):1644-1651. [24] Craig TJ, Hershey J, Engler RJ,et al. Bird antigen per-sistence in the home environment after removal of the bird [J]. Ann Allergy, 1992,69(6):510-512.