Thank you very much for your kind effort and help. I got two articles from you. I really appreciate your support and hope that I will be able to return the favor in near future. Have a wonderful day, Myoung -- Myoung Fry, MLIS Medical Library E-maiL: [log in to unmask] Mercy Medical Center Voice: (970) 382-1347 375 East Park Avenue Fax: (970) 382-1333 Durango, CO 81301