I second Rick Lentz' suggestion. -John Rodgers John R. Rodgers, Ph.D Assistant Professor, Department of Immunology Room M929 Baylor College of Medicine One Baylor Plaza Houston, Texas 77030 713-798-3903 fax 713-798-3700 jrodgers at bcm.tmc.edu http://www.bcm.tmc.edu/immuno/faculty_rodgers.html