Serious Infection Risk in Pediatric Psoriasis with Ustekinumab, Etanercept, or MTX This comparative analysis looks at the risk of SIE requiring hospitalization in pediatric PSO patients treated with ustekinumab, etanercept, or MTX prior to 2016. https://t.co/kR14nrZzCo https://t.co/ccFJcO0eAj