%0 Journal Article %T Prudence Using Serology to Determine Vaccine-Induced Immunity to Measles and Varicella in Patients With Inflammatory Bowel Disease %A Caldera, Freddy %A Farraye, Francis A %A Rosh, Joel R %A Hayney, Mary S %J Inflammatory Bowel Diseases %V 25 %N 9 %P e113-e113 %@ 1078-0998 %D 2019-08-20 %~ DeepDyve