Analytical strategies can help deal with potential confounding but readers need to know which strategy is appropriate. PMC ID: PMC557157 (April 30, 2005)
Sharon-Lise Normand
British Medical Journal
2005
Normand S-LT, Sykora K, Li P, et al.
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC557157/