Using directed acyclic graphs to consider adjustment for socioeconomic status in occupational cancer studies.

Authors:

Richiardi L, Barone-Adesi F, Merletti F, Pearce N.

Source:

J Epidemiol Community Health 2008; 62: e14.

@PubMed:

http://www.ncbi.nlm.nih.gov/pubmed/18572430