RT Journal Article SR Electronic T1 Methotrexate in pregnancy: still many unanswered questions JF RMD Open JO RMD Open FD EULAR SP e002899 DO 10.1136/rmdopen-2022-002899 VO 9 IS 1 A1 Corinna Weber-Schoendorfer A1 Orna Diav-Citrin YR 2023 UL http://rmdopen.bmj.com/content/9/1/e002899.abstract AB