Channeling Bias and Cancer Risk with Biologic or Targeted Synthetic DMARDs A retrospective US administrative claims cohort study of Rheumatoid arthritis (RA) patients on tumor necrosis factor inhibitors (TNFis), non-TNFi biologics, or Janus kinase inhibitors (JAKis) found a… https://t.co/8jqJwkEbZF https://t.co/cQ9aheU5mc