Shah, H A1994-04-012009-06-041994-04-012009-06-041994-04-01Shah HA. Prevention of hepato-tropic viral infections. Tropical Gastroenterology. 1994 Apr-Jun; 15(2): 55-63http://imsear.searo.who.int/handle/123456789/12495255 references.engHepatitis B VaccinesHepatitis, Viral, Human --prevention & controlHumansImmunization, PassiveVaccinationViral Hepatitis VaccinesJournal Article