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What are the effects of varenicline compared with nicotine replacement therapy on long-term smoking cessation and clinically important outcomes? Protocol for a prospective cohort study. (2015)

First Author: Davies NM

Attributed to: Can instrumental variable analysis overcome confounding by indication? Validation of physicians' prescribing preferences as instrumental variables. funded by MRC

Abstract

No abstract provided

Bibliographic Information

Digital Object Identifier: http://dx.doi.org/10.1136/bmjopen-2015-009665

PubMed Identifier: 26546148

Publication URI: http://europepmc.org/abstract/MED/26546148

Type: Journal Article/Review

Volume: 5

Parent Publication: BMJ open

Issue: 11

ISSN: 2044-6055