I've cited this Kaiser data web page by giving the web address and the date on which I viewed it. Please post other citation recommendations to the list. Julie Graves Moy, M.D., M.P.H. [log in to unmask] http://www.bga.com/~jgmoy P.O. Box 4768 512-342-1624 (new) Austin, Texas 78765 512-342-1628 fax (new)