1 打开pubmed网站 右上角 “Sign in to NCBI”链接，
https://www.ncbi.nlm.nih.gov/account/?back_url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fpubmed%2F
2 选左边最下边 的链接 ”Register for an NCBI account“
https://www.ncbi.nlm.nih.gov/account/register/?back_url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fpubmed%2F&partners-uri=cms:/account/partners
也可以直接打开上边的链接输入信息即可
