%0 Journal Article
%T Bias in assessing effects of substance use from observational studies: what do longitudinal data tell us? A commentary on Staff and Maggs (2017)
%J Journal of studies on alcohol and drugs
%D 2017
%A Chikritzhs, Tanya
%A Naimi, Timothy S.
%A Stockwell, Tim
%V 78
%N 3
%P 404-405
%X <p>[Abstract unavailable]</p> <p>Language: en</p>
%G en
%I Alcohol Research Documentation, Inc., Rutgers, The State University of New Jersey
%@ 1937-1888
%U http://dx.doi.org/