@article{Wolf2017Changes,
author = {Wolf, Ingrid-Katharina and Du, Yong and Knopf, Hiltraud},
title = {Changes in prevalence of psychotropic drug use and alcohol consumption among the elderly in Germany: results of two National Health Interview and Examination Surveys 1997-99 and 2008-11},
journal = {BMC Psychiatry},
volume = {17},
pages = {12},
year = {2017},
doi = {10.1186/s12888-017-1254-x}
}