Figure 2From: Associations of a PTPN11 G/A polymorphism at intron 3 with Helicobactor pyloriseropositivity, gastric atrophy and gastric cancer in Japanese Distributions of pepsinogen (PG) I/II ratio according to PTPN11 rs2301756 genotype among H. pylori infected subjects with a PG I level of ≤ 70 ng/ml.Back to article page