%0 Journal Article
%T Letter: Imprecise incidents of incidence
%J JAMA journal of the American Medical Association
%D 1974
%A Schoenberg, B. S.
%V 229
%N 13
%P 1724-1724
%X Abstract unavailable.
%G 
%I American Medical Association
%@ 0098-7484
%U http://dx.doi.org/