C Barbieri

Pleural fluid chemical analysis in parapneumonic effusions. A meta-analysis.

J E Heffner, L K Brown, J. Heffner, 1995, American journal of respiratory and critical care medicine.

Methodologic standards for diagnostic test research in pulmonary medicine.

J E Heffner, J. Heffner, D. Feinstein, 1998, Chest.

Communicating do-not-resuscitate orders with a computer-based system.

J E Heffner, L K Brown, P. Fracica, 1998, Archives of internal medicine.