Simply as simple question: Anyone have an estimate of how many professionnals do HP business in North America or only USA ? Thank you Stephane RSO, Radiation Safety Specialist/Spécialiste en radioprotection Risk Management/Gestion des Risques Merck Frosst Canada tel: (514) 428.8695 FAX: (514). 428.4917 e-mail: stephane_jeanfrancois@merck.com