Mortality risk factors in children with severe pertussis

1. Fernández, E.L.
2. Contreras, J.R.
3. Hofheinz, S.B.
4. Sáez, F.G.
5. Díaz, J.I.S.
6. Conejo, P.R.
7. Pilar, M.P.C.
8. Gamero, D.B.