1. Oval-shaped consolidations simulating new growth of the lung;Greenfield;Am J Radiol,1964
2. Spherical pneumonia due to Hemophilus influenzae: a definitive study by transtracheal aspiration;Sproul;Am Rev Respir Dis,1969
3. Life threatening “round pneumonia.”;Soubani;Am J Emerg Med,1996
4. Mass lesion in an intravenous drug user;Pandya;West J Med,1989
5. Acute diffuse pneumonia of asthmatics and concomitant spherical pneumonia;Millard;Postgrad Med,1977