| immunogenicity of a recombinant, yeast-derived, anti-hepatitis-b vaccine after alternative dosage and schedule vaccination in pakistani children. | a controlled, randomized trial was conducted in urban areas of karachi and lahore with the aim to look for ways to improve the cost-effectiveness of hepatitis b vaccination. children under 15 years old (including neonates) were selected and screened for immunization by three regimens according to the frequency and doses of the recombinant vaccine used (heberbiovac hb, heber biotec, havana). group a received 10 microg at 0, 1 months; group b (control) received 10 microg at 0, 1 and 2 months (stan ... | 2005 | 16303217 |