1. Evaluation of blood collected on filter paper for detection of antibodies to human immunodeficiency virus type 1;Fortes,1989
2. Prevalence of HIV infection in childbearing women in the United States. Surveillance using newborn blood samples;Gwinn,1991
3. HIV prevalence in pregnant women in an ethnically diverse population in the UK;Cortina-Borja,2004
4. Stability of human immunodeficiency virus type 1 antibodies in whole blood dried on filter paper and stored under various tropical conditions in Kinshasa, Zaire;Behets,1992
5. Development and validation of an immunoassay for identification of recent human immunodeficiency virus type 1 infections and its use on dried serum spots;Barin,2005