1. Ministerio de Sanidad y Consumo,1993
2. Resultados y análisis de la investigación de HBsAg en las embarazadas de un centro de salud durante 4 años;Delgado Sánchez;Aten Primaria,1990
3. Seroprevalence of hepatitis B virus markers in pregnant women attending a public hospital in Navarra;Panizo Delgado;Rev Clin Esp,1994
4. Prevalence of hepatitis B (HBsAg, HBeAg, DNA) and delta virus markers, in about 10,000 pregnant women in Limoges (France);Ranger;Pathol Biol (Paris),1990
5. Hepatitis C virus, hepatitis B virus and human immunodeficiency virus infection in pregnant women in North-East Italy: a seroepidemiology study;>Baldo;Eur J Epidemiol,2000