@article{ref1,
title="Letter: Difficulties and deficiencies of vertical integration",
journal="Orvosi hetilap",
year="1975",
author="Deli, L. and Hutter, K.",
volume="116",
number="40",
pages="2390-2390",
abstract="<p>[Abstract unavailable]</p><p>Language: hu</p>",
language="hu",
issn="0030-6002",
doi="",
url="http://dx.doi.org/"
}