Hepatitis A : recent achievements and future directions for hepatatis A vaccination : extended abstracts from a satellite meeting held at the IX Triennial International Symposium on Viral Hepatatis and Liver Disease, Rome, 21-25 April 1996.
Adis International.
International Symposium on Viral Hepatitis and Liver Disease(9th :1996 :Rome, Italy)
Chester : Adis International,
c1996.
Hepatitis A