Ost, David; Fein, Alan M.; Feinsilver, Steven H. (June 2003). "Clinical practice. The solitary pulmonary nodule". New England Journal of Medicine. 348 (25): 2535–42. doi:10.1056/NEJMcp012290. PMID12815140.
Ost, David; Fein, Alan M.; Feinsilver, Steven H. (June 2003). "Clinical practice. The solitary pulmonary nodule". New England Journal of Medicine. 348 (25): 2535–42. doi:10.1056/NEJMcp012290. PMID12815140.