专利网站链接
UNCOVER: http://www.ingenta.com/ MEDLINE: http://www.ncbi.nlm.nih.gov NATURE: http://www.nature.com/ Free Medical Journals.Com: http://www.freemedicaljournals.com Internet Public Library : http://www.ipl.org Medscape: http://www.medscape.com Cell: http://www.cell.com Chemweb: http://www.chemweb.com Science: http://www.sciencemag.org British Medical Journal: http://www.bmj.com Journal of the American Medical Association: http://jama.ama-assn.org Ideal online library: http://www.idealibrary.com/ 斯坦福大学生物/医学/物理电子期刊: http://intl.highwire.org/ http://www.wkap.nl/