patients with chronic atrophic gastritis and those who had undergone billroth i or billroth ii gastric resection , however , showed significant increases in gastric nitrite , sometimes with high individual peaks : 80 mg/l in one patient with chronic atrophic gastritis , 50 mg/l in a billroth i patient and 200 mg/l in a billroth ii patient .
C0038351
gastric
C0192440
billroth i