By Levy Helen   Packman Wendy   in Journal of Genetic Counseling

ISSN:1059-7700|13|3|189-205

Springer Publishing Company ‎(2004)‎

Access to resources Favorite 12.369167

By Gruber Jonathan   Levy Helen   in The Journal of Economic Perspectives

ISSN:0895-3309|23|4|25-48

American Economic Association‎(2009)‎

Access to resources Favorite 12.369167