Aliment Pharamcol Ther 2009; 29:55-68. van Marrewijk C, Mujakovic S, Fransen G et al. Effect and cost-effectiveness of step-up versus step-down treatment with antacids, H2-receptor antagonists, and proton pump inhibitors in patients with new onset dyspepsia (DIAMOND study): primary-care-based randomised controlled trial.
Aliment Pharamcol Ther 2009; 29:55-68. Numans ME, de Wit NJ, Dirven JAM et al. NHG Standaard Maagklachten, tweede herziening.