1. Convergent and concurrent validity of the Frankfurt Complaint Questionnaire as a screener for psychosis risk. Issue 11 (2nd November 2017) Authors: Michel, Chantal; Kutschal, Christine; Schimmelmann, Benno G.; Schultze-Lutter, Frauke Journal: Journal of risk research Issue: Volume 20:Issue 11(2017) Page Start: 1480 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗