Christopher Roberge1, Raymond J. Cvetovich2, Joseph S. Amato2, Victor Pecore1, Frederick W. Hartner2, Randolph Greasham1, Michel Chartrain1
1Department of Bioproces Research and Development, Merck Research Laboratories, Rahway, NJ, USA
2Department of Process Research, Merck Research Laboratories, Rahway, NJ, USA