☆
4.7
Review
Time-dependent biases in observational studies of comparative effectiveness research in rheumatology. A methodological review
ANNALS OF THE RHEUMATIC DISEASES (2019)
Rate this paper
The primary rating indicates the level of overall quality for the paper. Secondary ratings independently reflect strengths or weaknesses of the paper.
Discover Peeref hubs
Discuss science. Find collaborators. Network.
Join a conversationBecome a Peeref-certified reviewer
The Peeref Institute provides free reviewer training that teaches the core competencies of the academic peer review process.
Get Started