Development of a core outcome set for clinical trials in childhood constipation: a study using a Delphi technique
Sophie Kuizenga-Wessel, Nina Francesca Steutel, Marc Alexander Benninga, Thierry Devreker, Elena Scarpato, Annamaria Staiano, Hania Szajewska, Yvan Vandenplas, Merit Monique Tabbers
BMJ Paediatrics Open Aug 2017, 1 (1) e000017; DOI: 10.1136/bmjpo-2017-000017
