1. Comparison of the Constipation Assessment Scale and Plain Abdominal Radiography in the Assessment of Constipation in Advanced Cancer Patients 
Kittiphon Nagaviroj, MD, Woon Chai Yong, MD, Konrad Fassbender, PhD, George Zhu, MSc, Doreen Oneschuk, MD 
Journal of Pain and Symptom Management 
Volume 42, Issue 2, Pages (August 2011)
DOI: /j.jpainsymman
Copyright © 2011 U.S. Cancer Pain Relief Committee Terms and Conditions

2. Fig. 1
Plain film of the abdomen divided into four quadrants in preparation for scoring stool.
Journal of Pain and Symptom Management  , DOI: ( /j.jpainsymman )
Copyright © 2011 U.S. Cancer Pain Relief Committee Terms and Conditions

3. Fig. 2
Plots of correlation relationship between CAS scores and radiographic scores.
Journal of Pain and Symptom Management  , DOI: ( /j.jpainsymman )
Copyright © 2011 U.S. Cancer Pain Relief Committee Terms and Conditions