@article{ref1,
title="Cranio-cerebral injuries with protracted states of unconsciousness",
journal="Polish medical journal",
year="1972",
author="Pomaski, I. and Jerzyńska, M. and Ladygin, J.",
volume="11",
number="1",
pages="137-142",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0032-2938",
doi="",
url="http://dx.doi.org/"
}