askMEDLINE: a Report on a Year-Long Experience. - Paul A. Fontelo; Fang Liu 007; Michael J. Ackerman; Connie Schardt; Sheri Keitz (AMIA, 2006)

Utilization of the PICO framework to improve searching PubMed for clinical questions. - Connie Schardt; Martha B. Adams; Thomas Owens; Sheri Keitz; Paul A. Fontelo (BMC Medical Informatics Decis. Mak., 2007)