It seems OK but relatively

hard! Please go to www.nih.gov, and then use H1 as keyword to search. There was a policy changed in 2000 to allow J1-->H1.

所有跟帖： 

• 回复：谢谢大家。NIH的J1是可以用5年吗？？我查了H1，但 -xunhu_1000- ♀ (24 bytes) () 08/17/2004 postreply 22:12:37

• 第一次一般给2年，可以再延长一次，总共最长？？我查了H1，但 -金斯- ♀ (110 bytes) () 08/18/2004 postreply 09:57:44