Immune response to a combined hepatitis B, diphtheria, tetanus and whole-cell pertussis vaccine administered to infants at 2, 4 and 6 months of age

1. Aristegui, J.
2. Garrote, E.
3. González, A.
4. Arrate, J.-P.
5. Perez, A.
6. Vandepapelière, P.