Uncommon finding in a pulmonary graft versus host disease: A first report of Tsukamurella pneumonia in a pulmonary graft-versus-host disease oleh F.R. Bertuccio, N. Baio, V. Chino, S. Montini, P. Putignano, L. Pisanu, M. Siciliano, J. Bagnarino, V. Monzillo, D. Barbarini, V. Conio, A. Cascina, G. Stella, A.G. Corsico