Aardoom, Martine ;
Kemos, P ;
Tindemans, I...
Aardoom , M , Kemos , P , Tindemans , I , Aloi , M , Koletzko , S , Levine , A , Turner , D , Veereman , G , Neyt , M , Russell , RK , Walters , TD , Ruemmele , FM , Samsom , J , Croft , NM & de Ridder , L 2020 , ' International prospective observational study investigating the disease course and heterogeneity of paediatric-onset inflammatory bowel disease: the protocol of the PIBD-SETQuality inception cohort study ' , BMJ Open , vol. 10 , no. 7 , pp. e035538 . https://doi.org/10.1136/bmjopen-2019-035538.
,
2020