GRATEFUL MED: 1.0 (Format: One 5 1/4”, double-sided, double density floppy diskette) U.S. National Library of Medicine, 1986. Computer requirements: IBM PC and most compatibles; at least 256K RAM; DOS 2.0 or higher; Hayes Smartmodem or fully compatible modem. Order from: National Technical Information Service, PB86-158482. $29.95 plus $3.00 shipping and handling per order