P. O'Brien

"Prophylaxis for bacterial endocarditis prior to dental procedures in children".

P. O'Brien, 2008, Journal of pediatric health care : official publication of National Association of Pediatric Nurse Associates & Practitioners.

Acute subdural hematomas of arterial origin.

Charles Tator, J. Norris, P. O'Brien, 1974, Journal of neurosurgery.

Pneumomediastinum and retropneumoperitoneum: an unusual complication of syrup-of-ipecac-induced emesis.

P. O'Brien, D. McMicken, O. Wolowodiuk, 1984, Annals of emergency medicine.

Acute pancreatitis complicating a bone marrow harvest

N. Beamish, P. O'Brien, A. Schwarer, 1997, Bone Marrow Transplantation.

Intravenous Sodium Valproate for Acute Pediatric Headache.

David C. Sheridan, Benjamin C. Sun, M. Hansen, 2015, The Journal of emergency medicine.