Journal Article
Messias, Erick, Juan Castro, Anil Saini, Manzoor Usman, and Dale Peeples.
"Sadness, suicide, and their association with video game and internet overuse among teens: results from the youth risk behavior survey 2007 and 2009." Suicide and Life-Threatening Behavior 41, no. 3 (2011): 307-315.