Richter, S. S., Winokur, P. L., Brueggemann, A. B., Huynh, H. K., Rhomberg, P. R., Wingert, E. M., & Doern, G. V. (2000). Molecular Characterization of the β-Lactamases from Clinical Isolates of Moraxella (Branhamella) catarrhalis Obtained from 24 U.S. Medical Centers during 1994–1995 and 1997–1998. American Society for Microbiology.

Richter, Sandra S., Patricia L. Winokur, Angela B. Brueggemann, Holly K. Huynh, Paul R. Rhomberg, Elizabeth M. Wingert, and Gary V. Doern. Molecular Characterization of the β-Lactamases From Clinical Isolates of Moraxella (Branhamella) Catarrhalis Obtained From 24 U.S. Medical Centers During 1994–1995 and 1997–1998. American Society for Microbiology, 2000.

Richter, Sandra S., et al. Molecular Characterization of the β-Lactamases From Clinical Isolates of Moraxella (Branhamella) Catarrhalis Obtained From 24 U.S. Medical Centers During 1994–1995 and 1997–1998. American Society for Microbiology, 2000.