TY - CHAP A1 - Von Korff, M. A1 - Üstün, T.B. T1 - Methods of the WHO collaborative study on psychological problems in general health care Y1 - 1995 A3 - N., Sartorius A3 - Üstün, T.B. A3 - World Health Organization T2 - Mental illness in general health care: An international study CY - Chichester PB - Wiley ER -