Phillip Chappell

A Placebo-Controlled Study of Guanfacine in the Treatment of Children With Tic Disorders and Attention Deficit Hyperactivity Disorder

Phillip Chappell, Y S Kim, Robert T. Schultz et al. · American Journal of Psychiatry · 2001 · 584 citations

Medicine, Pharmacology, Pharmacotherapy +17

Ziprasidone Treatment of Children and Adolescents With Tourette's Syndrome: A Pilot Study

Floyd R. Sallee, Roger Kurlan, Christopher G. Goetz et al. · Journal of the American Academy of Child & Adolescent Psychiatry · 2000 · 341 citations

Medicine, Pediatrics, Pharmacotherapy +12

Guanfacine Treatment of Comorbid Attention-Deficit Hyperactivity Disorder and Tourette's Syndrome: Preliminary Clinical Experience

Phillip Chappell, Mark A. Riddle, Lawrence David Scahill et al. · Journal of the American Academy of Child & Adolescent Psychiatry · 1995 · 252 citations

Medicine, Pharmacotherapy, Psychiatry +12

The corticotropin-releasing hormone test in patients with posttraumatic stress disorder

Mark A. Smith, Jonathan Davidson, James Ritchie et al. · Biological Psychiatry · 1989 · 233 citations

Medicine, Neuroscience, Psychiatry +14

Voice acoustical measurement of the severity of major depression

Michael S. Cannizzaro, Brian Harel, Nicole Reilly et al. · Brain and Cognition · 2004 · 232 citations

Nursing, Psychiatry, Acoustics +12