Kananian,
S., Kip, A., Schumm, H., Giesebrecht, J., Nicolai, A., Schade-Brittinger, C., …
Stangier,
U. (2022). Culturally adapted cognitive behavioural group therapy for mental
disorders in refugees plus problem solving training (ReTreat): study protocol
for a multicentre randomised controlled trial. BMJ Open, 12(11),
e061274. https://doi.org/10.1136/bmjopen-2022-061274