@inbook{Von Korff1995,
author = {Von Korff, M. and Üstün, T.B.},
title= {Methods of the WHO collaborative study on psychological problems in general health care},
year = {1995},
editor = {N., Sartorius},
editor = {Üstün, T.B.},
editor = {World Health Organization},
booktitle = {Mental illness in general health care: An international study},
address = {Chichester},
publisher = {Wiley},
pages = {19--38},
}