The relationships between employment, clinical status, and psychiatric hospitalisation in patients with schizophrenia receiving either IPS or a conventional vocational rehabilitati... by Kilian, R, Lauber, C, Kalkan, R, Dorn, W, Rössler, W, Wiersma, D, Buschbach, J, Fioritti, A, Tomov, T, Catty, J, Burns, T, Becker, T