Yohmi E, Boediarso A, Hadinegoro SR. Lactose malabsorption based on breath hydrogen test in children with recurrent abdominal pain. PI [Internet]. 10Oct.2016 [cited 29Apr.2024];44(6):215-. Available from: https://paediatricaindonesiana.org/index.php/paediatrica-indonesiana/article/view/781