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Clin Infect Dis
; 40(2): 319; author reply 319-21, 2005 Jan 15.
Article
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| MEDLINE
| ID: mdl-15655733
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Am J Public Health
; 93(10): 1617; author reply 1617, 2003 Oct.
Article
in English
| MEDLINE
| ID: mdl-14534206