統計資料

資料筆數
PubMed:
http://eutils.ncbi.nlm.nih.gov/entrez/eutils/einfo.fcgi?db=pubmed
Journals:
http://eutils.ncbi.nlm.nih.gov/entrez/eutils/einfo.fcgi?db=journals
RefSeq:
ftp://ftp.ncbi.nih.gov/refseq/release/release-statistics/RefSeq-release24.07102007.stats.txt

使用率:
Pubmed(查詢數)
http://www.ncbi.nlm.nih.gov/About/tools/restable_stat_pubmed.html