dr. G.A. (Gea) Holtman

-Bringing diagnostic accuracy to primary care

-Hypnotherapy through self-exercises in children with functional abdominal pain in primary care, a randomised controlled trial

-The effect of faecal calprotectin testing on the referral rate of children with chronic gastrointestinal symptoms in primary care: a randomised controlled trial

-Evaluation of substation care service in Drachten using routine care data

-Diagnostics for appendicitis in children with acute abdominal pain in primary care 

-Oral ondansetron for children with acute gastroenteritis in primary care out-of-hours service: a randomized controlled trial