1. Informative Inducement: Study Payment as a Signal of Risk;Cynthia E Cryder;Social Science & Medicine,2010
2. Employee" as a Viable (Though Overly-�-Used) Legal Concept;Guy Davidov;SSRN Working Paper Series,2005
3. What's the Price of a Research Subject? Approaches to Payment for Research Participation;Neal Dickert;The New England Journal of Medicine,1999
4. Undue Inducement? Nonsense on Stilts;Ezekiel J Emanuel;American Journal of Bioethics,2005