Invited Commentary: Is It Time to Retire the "Pack-Years" Variable? Maybe Not!

✍ Scribed by Thomas, D. C.

• Book ID: 121863351
• Publisher: Oxford University Press
• Year: 2013
• Tongue: English
• Weight: 78 KB
• Volume: 179
• Category: Article
• ISSN: 0002-9262
• DOI: 10.1093/aje/kwt274