血清胃蛋白酶原Ⅰ和幽门螺杆菌抗体IgG与老年人胃黏膜萎缩相关性研究
혈청위단백매원Ⅰ화유문라간균항체IgG여노년인위점막위축상관성연구
The relationship between serum perpsiongen I levels as wll as anti- HP IgG and elder patients with arophic gastric mucosa
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