Key points are not available for this paper at this time.
Journal Article DRUG USE BY U.S. ARMY ENLISTED MEN IN VIETNAM: A FOLLOW-UP ON THEIR RETURN HOM Get access LEE N. ROBINS, LEE N. ROBINS Search for other works by this author on: Oxford Academic PubMed Google Scholar DARLENE H. DAVIS, DARLENE H. DAVIS Search for other works by this author on: Oxford Academic PubMed Google Scholar DONALD W. GOODWIN DONALD W. GOODWIN Search for other works by this author on: Oxford Academic PubMed Google Scholar American Journal of Epidemiology, Volume 99, Issue 4, April 1974, Pages 235–249, https://doi.org/10.1093/oxfordjournals.aje.a121608 Published: 01 April 1974 Article history Received: 30 August 1973 Published: 01 April 1974
Robins et al. (Mon,) studied this question.