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Bibliography:ArticleID:NYAS586
ark:/67375/WNG-1GCHD9RJ-Z
istex:E4E9204E21DE21D0D62660EC82D950D970B48F1A
This work was supported financially by the National Ministry of Public Health of China as well as the GuangDong Natural Science Foundation of China.
ISSN:0077-8923
1749-6632
DOI:10.1111/j.1749-6632.1998.tb10386.x