1. Primary meningococcal pneumonia;Ball;Am. Rev. Resp. Dis.,1974
2. Diagnostic accuracy of transtracheal aspiration. Bacteriologic studies;Bartlett;Am. Rev. Resp. Dis.,1977
3. Bacteriology of expectorated sputum with quantitative culture and wash technique compared to transtracheal aspirates;Bartlett;Am. Rev. Resp. Dis.,1978
4. Bacterial pneumonia complicating adenoviral pneumonia : a comparison of respiratory tract bacterial culture sources and effectiveness of chemoprophylaxis against bacterial pneumonia;Ellenbogen;Am. J. Med.,1974
5. Microscopic and bacteriological comparison of paired sputa and transtracheal aspirates;Geckler;J. Clin. Microb.,1977