Citation

Liu X, Si D, Shi D. Zhonghua Yu Fang Yi Xue Za Zhi 2000; 34(4): 250-252.

Affiliation

Department of Maternal and Child Health, School of Public Health, Tongji Medical University, Wuhan 430030, China

Copyright

(Copyright © 2000, Zhonghua yi xue hui)

DOI

unavailable

PMID

15359490

Abstract

unavailable.