1. A Pilot Cluster-Randomized Trial of a 20-Week Tai Chi Program in Elders With Cognitive Impairment and Osteoarthritic Knee: Effects on Pain and Other Health Outcomes 
Pao-Feng Tsai, RN, PhD, Jason Y. Chang, PhD, Cornelia Beck, RN, PhD, FAAN, Yong-Fang Kuo, PhD, Francis J. Keefe, PhD 
Journal of Pain and Symptom Management 
Volume 45, Issue 4, Pages (April 2013)
DOI: /j.jpainsymman
Copyright © 2013 U.S. Cancer Pain Relief Committee Terms and Conditions

2. Fig. 1
CONSORT flowchart. Clusters and participant flow through treatment.
Journal of Pain and Symptom Management  , DOI: ( /j.jpainsymman )
Copyright © 2013 U.S. Cancer Pain Relief Committee Terms and Conditions