Foreword: The Existential Graphs of Charles Sanders Peirce. - Charles Pearson; Søren Brier; Pille Bunnell; Jeanette Bopry (Cybern. Hum. Knowing, 2011)

Perceptions regarding the ease of use and usefulness of health information exchange systems among medical providers, case managers and non-clinical staff members working in HIV care and community settings. - Janet J. Myers; Kimberly A. Koester; Deepalika Chakravarty; Charles Pearson; Andres Maiorana; Starley B. Shade; Wayne T. Steward (Int. J. Medical Informatics, 2012)