Dear Colleagues, Here is the summary. Those who respond suggest the following: The journal database on PubMed. EBSCO serial catalog Bowker medical and health care books and Serials in print <http://www.bowker.com/catalog/000102.htm>http://www.bowker.com/catalog/000102.htm I also think it would be good to look at the catalogs of some major publishers, like Adis, Elsevier, Lippincott, Wiley etc, and medical societies and associations. Once again, I very grateful to you for all your replies. Thank you so much Marie I. Elias, MLS, AHIP Medical Librarian The Medical Letter Inc, Library 1000 Main Street New Rochelle, NY 10801 www.medicalletter.org Phone: 914-235-0500, Ext. 307 Fax: 914-235-5079 [log in to unmask]