The ratio of male to female was .8:. Antrum and angulus of the stomach were most involved.
The ratio of male to female was .8:. Antrum and angulus of the stomach were most involved.
男性多于女性 ,男女之比.8:。
The ratio of male to female was .8:. Antrum and angulus of the stomach were most involved.
男性多于女性 ,男女之比.8:。