International Circulation: Some doctors in the United States have said that they have this kind of trend. So you are saying this is not the reality in Europe, or at least in Germany?
Gerhard Schuler: I think this is only an impression and we need solid data to be collected over time in a wide area before we begin making conclusion. These data should replace the personal opinions.
上一页 [1] [2] [3] [4] [5]
网友评论仅供其表达个人看法,并不表明国际循环同意其观点或证实其描述。 发表评论需登陆