| changes in seroprevalence of hepatitis a in children and adolescents in manisa, turkey. | hepatitis a virus (hav), being an enteric transmitting virus wide world, occurs mostly in children of developing countries. however, the virus has recently been seen in adolescents and young adults worldwide. the aim of the present study was to evaluate the seroprevalence of the hav infection in children and adolescents in manisa, turkey, and to verify whether the increased incidence of hav infection in other parts of the world and turkey generally is also true for the area of manisa. | 2004 | 15660865 |
| evidence against the fecal-oral route of transmission for helicobacter pylori infection in childhood. | acquisition of helicobacter pylori (h. pylori) occurs mainly in childhood. however, little is known about the mode of transmission. in such developing countries as turkey, where the hygienic situation facilitates the transmission of hepatitis a virus (hav), infection with hav is mainly transmitted via the enteral route. therefore, it seemed advisable to evaluate the role of fecal-oral transmission in the spread of h. pylori. | 2003 | 14586275 |