By Qin S.M.   Gerba C.P.   in Water Research

ISSN:0043-1354|30|11|2665-2668

Elsevier‎(1996)‎

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By Shi H-Z.   Li C-Q.   Qin S-M.   Xie Z-F.   Liu Y.   in Clinical Immunology

ISSN:1521-6616|91|2|163-169

Academic Press‎(1999)‎

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