@article{Piccinelli1993,
author = {Piccinelli, M. and Bisoffi, G. and Bon, M. and Cunico, L. and Tansella, M.},
title= {Validity and test-retest reliability of the Italian version of the 12-item General Health Questionnaire in general practice: A comparison between three scoring methods},
year = {1993},
doi = {10.1016/0010-440X(93)90048-9},
volume = {34},
number = {3},
pages = {198--205},
}