Objective: To study the relationship between helicobacter pylori (HP) infection and perioral dermatitis.

目的：研究幽门螺杆菌(HP)感染与口周皮炎的关系。

youdao

Objective: To study the relationship between helicobacter pylori (HP) infection and perioral dermatitis.

目的：研究幽门螺杆菌(HP)感染与口周皮炎的关系。

youdao