PT  - JOURNAL ARTICLE
AU  - Hsu, Po-Ke
AU  - Lee, Yung-Heng
AU  - Wei, James Cheng Chung
TI  - Confounding by indication and ethnicity difference? Comment on ‘Hypersensitivity reactions with allopurinol and febuxostat: a study using the Medicare claims data’
AID  - 10.1136/annrheumdis-2020-218056
DP  - 2022 Jul 01
TA  - Annals of the Rheumatic Diseases
PG  - e122--e122
VI  - 81
IP  - 7
4099  - http://ard.bmj.com/content/81/7/e122.short
4100  - http://ard.bmj.com/content/81/7/e122.full
SO  - Ann Rheum Dis2022 Jul 01; 81