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Ann Rheum Dis. 2018 Dec 30. pii: annrheumdis-2018-214872. doi: 10.1136/annrheumdis-2018-214872. [Epub ahead of print]

Catching the falling star: points to consider when using propensity scores.

Author information

1
Retired, Xi'an, Shaanxi, China oyfc18@gmail.com.

KEYWORDS:

DMARDs (biologic); DMARDs (synthetic); epidemiology; outcomes research; rheumatoid arthritis

Conflict of interest statement

Competing interests: None declared.

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