1. A randomized controlled trial of a Chinese herbal remedy to increase energy, memory, sexual function, and quality of life in elderly adults in Beijing, China 
Stephen Bent, MD, Ling Xu, MD, Li-Yung Lui, MA, MS, Michael Nevitt, PhD, Edward Schneider, MD, Guoqing Tian, PhD, Saishan Guo, MD, Steven Cummings, MD, MPH 
The American Journal of Medicine 
Volume 115, Issue 6, Pages (October 2003)
DOI: /S (03)

2. Figure
Flowchart showing enrollment and follow-up of study participants.
The American Journal of Medicine  , DOI: ( /S (03) )