回复：H1回国探亲再好签证吗？专业做医学研究。

来源: 于 2004-03-02 13:41:14 [旧帖] [给我悄悄话] 本文已被阅读：次
One of my good friends has medical background, H1 in US. Had a conference in Beijing and his H1B re-entering visa was delayed in Beijing for his background check, for 3 months. There is a high risk for background check, especially if you have bio-chemistry study.