1. Limited efficacy vaccine ionfAlaasHkaaemnaotpihvieliunsfanitnsf.lNueEnnzageltJyMpeedb conjugate;Ward, J.; Brenneman, G.; Letson, G.W.; Heyward, W.L.,1990
2. A survey of invasive Haemophilus influenzae infections;Nazareth, B.; Slack, M.P.E.; Howard, A.J.; Waight, P.A.; Begg, N.T.;Communicable Disease Report,1992
3. Public Health Laboratory Service. Communicable Disease Report 1991; 1: 9.
4. Public Health Laboratory Service. Communicable Disease Report 1992; 2: 7.
5. Public Health Laboratory Service. Communicable Disease Report 1993; 3: 3.