When should endoscopy be performed in patients with dyspepsia?
Kuwayama
H
H
D004415:Dyspepsia / Q000175:diagnosis*; D016099:Endoscopy, Gastrointestinal / Q000191:economics / Q000706:statistics & numerical data*; D006801:Humans; D007564:Japan; D013274:Stomach Neoplasms / Q000175:diagnosis*