Cell phone and computer use among parents visiting an urban pediatric emergency department
Wendy C. Shields, MPH1, Eileen McDonald, MS1, Elise Perry, MHS1, Mary Aitken, MD2 and Andrea C. Gielen, ScD, ScM1
(1)Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, (2)Arkansas Children's Hospital, Little Rock, AR
(1)Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, (2)Arkansas Children's Hospital, Little Rock, AR