1.http://www.nlm.nih.gov/bsd/pubmed_tutorial/m1001.html2.http://www.ncbi.nlm.nih.gov/entrez/journals/noprov/loftext_full_noprov.html3.http://www.ncbi.nlm.nih.gov/dbEST/dbEST_summary.html4.http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=unigene5.http://ww (共 695 字) [阅读本文] >>