Safety and Efficacy of Flexible Bronchoscopy in Elderly Patients: A Retrospective Comparative Study Zentaro Saito; Issei Oi; Takanori Ito; Takuma Imakita; Osamu Kanai; Kohei Fujita; Hiromasa Tachibana; Tadashi Mio;

Nontuberculous Mycobacteria Isolates in Respiratory Samples and Mycobacterial Pulmonary Disease in an Area of Northern Spain Javier Ugedo; Eva Tabernero; Lander Altube; María Victoria Leal; Julia Amaranta García;