In the reference list, periodicals , single author books  and multi-author books  should accord with the following examples: 1 Buts CA, Bodkin D, Middleman EL, et al. Randomized phase II study of gemcitabine plus cisplatin, with or without cetuximab, as first-line thera -
py for patients with advanced or metastatic non small-cell lung cancer. J Clin Oncol, 2007, 25(36): 5777-5784. 2 Zhang ZN ed. Criteria of diagnosis and therapeutic response in hematologic diseases. 2nd ed. Beijing: Scientific Publication, 1998. 168-360. 3 Weinsetin L, Suarty MN. Pathogenic properties of invading microorganism. In: Sodeman WA Jr, Sodeman WA eds. Pathologic Physiology: Mech-
anisms of Diseases. Philadelphia: W.B Saunders, 1974. 457-472.