Reid G, Heinemann C, Howard J, Gardiner G, Gan B S
Lawson Health Research Institute, St. Joseph's Health Centre, and Departments of Microbiology and Immunology, and Surgery, University of Western Ontario, London, Ontario N6A 4V2, Canada.
Methods Enzymol. 2001;336:403-10. doi: 10.1016/s0076-6879(01)36604-1.