Authors:
TSEGA E
HORTON J
NORDENFELT E
HANSSON BJ
TAFESSE B
WOLDEHAWARIAT G
LINDBERG J
Citation: E. Tsega et al., ANTIBODY-LEVELS IN ETHIOPIAN CHILDREN 5 YEARS AFTER VACCINATION WITH 2 DIFFERENT DOSES OF HEPATITIS-B VACCINE - IS THERE A NEED FOR BOOSTERVACCINE, Canadian journal of gastroenterology, 12(1), 1998, pp. 57-60