1. Persistence of psychosis spectrum symptoms in the Philadelphia Neurodevelopmental Cohort: a prospective two‐year follow‐up. Issue 1 (February 2017) Authors: Calkins, Monica E.; Moore, Tyler M.; Satterthwaite, Theodore D.; Wolf, Daniel H.; Turetsky, Bruce I.; Roalf, David R.; Merikangas, Kathleen R.; Ruparel, Kosha; Kohler, Christian G.; Gur, Ruben C.; Gur, Raquel E. Journal: World psychiatry Issue: Volume 16:Issue 1(2017:Feb.) Page Start: 62 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗