Case control study to see if MTX is assoc with ILD in RA. Hypersensitivity pneumonitis pts were excluded. MTX use assoc with DELAYED onset of ILD so protective. let my RA pts use MTX if ILD or increased ILD risk ex male old +RF OP0036 @RheumNow @eular_org @CRASCRRheum #EULAR2020 https://t.co/NGM4t2OKTP