Is Cited by the Following 2 Articles in this Archive:

Carl V Phillips
Epidemiol Perspect Innov. 2007; 4: 13. Published online 2007 October 22. doi: 10.1186/1742-5573-4-13
PMCID:
PMC2173898
James E Enstrom
Epidemiol Perspect Innov. 2007; 4: 11. Published online 2007 October 10. doi: 10.1186/1742-5573-4-11
PMCID:
PMC2164936
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