Source:
Zhonghua wai ke za zhi [Chinese journal of surgery] [Zhonghua Wai Ke Za Zhi] 2008 Dec 15; Vol. 46 (24), pp. 1853-5.Publisher: Zhonghua yi xue hui, Wai ke xue hui Country of Publication: China NLM ID: 0153611 Publication Model: Print Cited Medium: Print ISSN: