Source:
Zhonghua wai ke za zhi [Chinese journal of surgery] [Zhonghua Wai Ke Za Zhi] 2004 Sep 07; Vol. 42 (17), pp. 1040-3.Publisher: Zhonghua yi xue hui, Wai ke xue hui Country of Publication: China NLM ID: 0153611 Publication Model: Print Cited Medium: Print ISSN: