A 5-year surveillance study of 44,691 isolates of Haemophilus influenzae project Beta-Alert 1993-1997

A Derecola1, D L Butler, R L Kaplan

  • 1Department of Anti-Infectives, SmithKline Beecham Pharmaceuticals, Collegeville, Pennsylvania 19426-0989, USA. ann_m_derecola@sbphrd.com