Heffner,John E

Institution: Providence Portland Medical Center, Portland, Oregon 97213, USA

Research Interests: Disease, Patients, Cancer, Cost, Inpatient, Literature, Malignant Pleural Effusion, Pleural Effusion, Populations, Prospective Studies, Relative Risks, Risks, Risks And Benefits, Survival, Time, Treatment, Treatments, Advance Care Planning, Chronic Obstructive Pulmonary Disease, Copd