John E. Heffner

Pulmonary pearls

1988 Steven A. Sahn, John E. Heffner, and John E. Heffer

Airway management in the critical...

Airway management in the critically ill patient

Year unknown

Internal medicine pearls

Year unknown John E. Heffner and Steven A. Sahn

Palliative and End-of-Life Pearls

Year unknown John E. Heffner and Ira Byock

Pulmonary/respiratory therapy secrets

Year unknown Polly E. Parsons and John E. Heffner

Pulmonary/respiratory therapy secrets

Year unknown Polly E. Parsons and John E. Heffner

Pulmonary/Respiratory Therapy Secrets

Year unknown Polly E. Parsons and John E. Heffner

Safety in Critical Care Medicine,...

Safety in Critical Care Medicine, an Issue of Critical Care Clinics

Year unknown Alan M. Fein and John E. Heffner