@article{doi:10.1001/archpsyc.63.5.509,
author = {van der Werf SY and Kaptein KI and de Jonge P and Spijker J and de Graaf R and Korf J},
title = {MAjor depressive episodes and random mood},
journal = {Archives of General Psychiatry},
volume = {63},
number = {5},
pages = {509-518},
year = {2006},
doi = {10.1001/archpsyc.63.5.509},
URL = { + http://dx.doi.org/10.1001/archpsyc.63.5.509},
eprint = {/data/Journals/PSYCH/5249/YOA50385.pdf}
}