Ferels, J. M., & Sieradzki, M. J. (1988). Philadelphia consortium on AIDS: Strategies for an integrated response to the HIV epidemic in Philadelphia, Pennsylvania. Philadelphia, Pa.: [available from] Leonard Davis Institute of Health Economics, University of Pennsylvania.

Ferels, James M., and Michael J. Sieradzki. Philadelphia Consortium On AIDS: Strategies for an Integrated Response to the HIV Epidemic in Philadelphia, Pennsylvania. Philadelphia, Pa.: [available from] Leonard Davis Institute of Health Economics, University of Pennsylvania, 1988.

Ferels, James M., and Michael J. Sieradzki. Philadelphia Consortium On AIDS: Strategies for an Integrated Response to the HIV Epidemic in Philadelphia, Pennsylvania. Philadelphia, Pa.: [available from] Leonard Davis Institute of Health Economics, University of Pennsylvania, 1988.