Key points are not available for this paper at this time.
Journal Article SYNERGISM AND INTERACTION: ARE THEY EQUIVALENT? Get access William J. Blot, William J. Blot National Cancer InstituteBethesda, MD 20014 Search for other works by this author on: Oxford Academic PubMed Google Scholar Nicholas E. Day Nicholas E. Day National Cancer InstituteBethesda, MD 20014 Search for other works by this author on: Oxford Academic PubMed Google Scholar American Journal of Epidemiology, Volume 110, Issue 1, July 1979, Pages 99–100, https://doi.org/10.1093/oxfordjournals.aje.a112793 Published: 01 July 1979
Blot et al. (Sun,) studied this question.