Dyspepsia: costs of endoscopy.
D004415:Dyspepsia / Q000175:diagnosis*; D005251:Fees, Medical; D005773:Gastroscopy / Q000191:economics*; D006297:Health Services Accessibility / Q000191:economics*; D006801:Humans; D009864:Ontario; D012017:Referral and Consultation / Q000191:economics*