@article{ref1,
title="A long-term, change-over study with the St John's wort extract LoHyp-57. An observational study of 95 patients with mild and moderate depression",
journal="Nervenheilkunde",
year="1999",
author="Schmidt, U. and Harrer, G. and Biller, A. and Schmidt, S.",
volume="18",
number="10",
pages="106-109",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0722-1541",
doi="",
url="http://dx.doi.org/"
}