%0 Journal Article
%T The Effects of 10 Mgs. of Benzedrine Sulfate and Low Oxygen Tension on the Span of Attention for Letters, and Other Factors
%J Journal of psychology, The
%D 1940
%A Seitz, Clifford P.
%A Barmack, Joseph Ephraim
%V 10
%N 2
%P 241-247
%X <p>[Abstract unavailable]</p>
%G 
%I Informa - Taylor and Francis Group
%@ 0022-3980
%U http://dx.doi.org/10.1080/00223980.1940.9916999