1. Pulmonary sarcoidosis: a disease characterized and perpetuated by activated lung T-lymphocytes;Crystal, R.G.; Roberts, W.C.; Hunninghake, G.W.; Gadek, J.E.; Fulmer, J.D.; Line, B.R.;Ann Intern Med,1981
2. Analysis of cellular and protein content of bronchoalveolar lavage fluid from patients with idiopathic pulmonary fibrosis and chronic hypersensitivity pneumonitis;Reynolds, H.Y.; Fulmer, J.D.; Kazmierowski, J.A.; Roberts, W.C.; Frank, M.M.; Crystal, R.G.;J Clin Invest,1977
3. Bird fancier's lung: studies of broncho-alveolar lavage and correlation with inhalation provocation tests;Voisin, C.; Tonnel, A.B.; Lahoute, C.; Robin, H.; Lebas, J.; Aerts, C.;Lung,1981
4. Interstitial lung disease: current concepts of pathogenesis, staging and therapy;Crystal, R.G.; Gadek, J.E.; Ferrans, V.J.; Fulmer, J.D.; Line, B.R.; Hunninghake, G.W.;Am J Med,1981
5. Alveolitis: the key to the interstitial lung disorders;Keogh, B.A.; Crystal, R.G.;Thorax,1982