By Zhao P   Zhang YY   Li YB   Zhu Y   Wan KL   in The Journal of International Medical Research

ISSN:0300-0605|39|3|968-975

Field House Publishing‎(2011)‎

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By Wu R.S.S.   Lam P.K.S.   Wan K.L.   in Environmental Pollution

ISSN:0269-7491|118|3|351-355

Elsevier‎(2002)‎

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