Purchase Short-Term Access

How Much Did Biases in the Study of Chronic Obstructive Pulmonary Disease Medications and Mortality Affect the Outcome?
Samy Suissa, PhD; Pierre Ernst, MD, MSc
Annals of Internal Medicine 2009;150:425-426. doi:10.7326/0003-4819-150-6-200903170-00017

Purchase Online access to this article for 24 hours
Buy Now for $32.00
Forgot your password?
Enter your username and email address. We'll send you a reminder to the email address on record.