%0 Journal Article
%T Data collection and observer bias
%J Annals of emergency medicine
%D 1990
%A Petri, R. W.
%A Wears, Robert
%V 19
%N 5
%P 614-614
%X <p>[Abstract unavailable]</p> <p>Language: en</p>
%G en
%I Elsevier Publishing
%@ 0196-0644
%U http://dx.doi.org/