1. Genetic and Nongenetic Covariates of Pain Severity in Patients with Adenocarcinoma of the Pancreas: Assessing the Influence of Cytokine Genes 
Cielito C. Reyes-Gibby, DrPH, Sanjay Shete, PhD, Sriram Yennurajalingam, MD, Marsha Frazier, PhD, Eduardo Bruera, MD, Razelle Kurzrock, MD, Christopher H. Crane, MD, James Abbruzzese, MD, Douglas Evans, MD, Margaret R. Spitz, MD 
Journal of Pain and Symptom Management 
Volume 38, Issue 6, Pages (December 2009)
DOI: /j.jpainsymman
Copyright © 2009 U.S. Cancer Pain Relief Committee Terms and Conditions

2. Fig. 1 Patient recruitment.
Journal of Pain and Symptom Management  , DOI: ( /j.jpainsymman )
Copyright © 2009 U.S. Cancer Pain Relief Committee Terms and Conditions