title: Prevalence of hepatitis B virus infection among Cercopithecidae monkeys in Cameroon.
authors: Service de Virologie, Centre Pasteur du Cameroun, BP 1274 Yaounde, Cameroon.
authors: Yacouba
authors: Y
authors: Foupouapouognigni
authors: Serge A S
authors: SA
authors: Mba
authors: Richard
authors: R
authors: Njouom