%0 Journal Article
%T Participation of pre-existing conditions in disability classification. Problem of higher classification
%J Hefte zur Unfallheilkunde
%D 1975
%A Erdmann, H.
%V 
%N 121
%P 281-282
%X <p>[Abstract unavailable]</p><p>Language: de</p>
%G de
%I Holtzbrinck Springer Nature Publishing Group
%@ 0085-1469
%U http://dx.doi.org/