@article{ref1,
title="Morbidity among the seamen of the Polish merchant marine and the merchant fleet of the G.D.R. in 1974-1976",
journal="Bulletin of the Institute of Maritime and Tropical Medicine in Gdynia",
year="1978",
author="Kotłowski, A. and Krynicki, A. and Laba, L. and Grimmer, G. and Harms, U. and Jankowski, A. and Mroziński, W. and Grzegorzewski, M. and Popiński, J. and Tomaszunas, S.",
volume="29",
number="1-2",
pages="17-26",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0324-8542",
doi="",
url="http://dx.doi.org/"
}