Care needs to be taken when reviewing malignancy data reported from observational studies: comment on the article by Onel and Onel.
Mariette
Xavier
X
Reynolds
Alan
A
Emery
Paul
P
D001327:Autoimmune Diseases / Q000188:drug therapy*; D006801:Humans; D016867:Immunocompromised Host; D009369:Neoplasms / Q000276:immunology*; D014409:Tumor Necrosis Factor-alpha / Q000037:antagonists & inhibitors*
D014409:Tumor Necrosis Factor-alpha