%0 Journal Article
%T Day-night differences are not always due to circadian control
%J Annals of emergency medicine
%D 1992
%A Hastings, J. W.
%A Czeisler, Charles A.
%V 21
%N 10
%P 1236-1236
%X <p>[Abstract unavailable]</p> <p>Language: en</p>
%G en
%I Elsevier Publishing
%@ 0196-0644
%U http://dx.doi.org/