Randomized controlled trial comparing the costs of gastric cancer screening systems between serological risk-based upper gastrointestinal endoscopy and the existing barium photofluorography: gastric cancer screening labeled by serum examination in place of aged gastric cancer organized screening systems (GALAPAGOS study)

Takuji Gotoda, Hideki Ishikawa, Chika Kusano, Sho Suzuki, Hirohide Ohnishi, Kentaro Sugano, Yutaka Matsuyama