Doern, G. V., Brueggemann, A. B., Pierce, G., Holley, H. P., & Rauch, A. (1997). Antibiotic resistance among clinical isolates of Haemophilus influenzae in the United States in 1994 and 1995 and detection of beta-lactamase-positive strains resistant to amoxicillin-clavulanate: Results of a national multicenter surveillance study.

Doern, G V., A B. Brueggemann, G. Pierce, H P. Holley, and A. Rauch. Antibiotic Resistance Among Clinical Isolates of Haemophilus Influenzae in the United States in 1994 and 1995 and Detection of Beta-lactamase-positive Strains Resistant to Amoxicillin-clavulanate: Results of a National Multicenter Surveillance Study. 1997.

Doern, G V., et al. Antibiotic Resistance Among Clinical Isolates of Haemophilus Influenzae in the United States in 1994 and 1995 and Detection of Beta-lactamase-positive Strains Resistant to Amoxicillin-clavulanate: Results of a National Multicenter Surveillance Study. 1997.