Trends in HIV Testing Among Pregnant Women: United States, 1994–1999

by Lansky, Amy, Jones, Jeffrey L., Frey, Robert L., Lindegren, Mary Lou
Published 2001

Characteristics and trends of newly identified HIV infections among incarcerated populations: CDC HIV voluntary counseling, testing, and referral system, 1992–1998

by Sabin, Keith M., Frey, Robert L., Horsley, Rosemarie, Greby, Stacie M.
Published 2001