To match special report PHARMACEUTICALS/TRIALS

 
To match special report PHARMACEUTICALS/TRIALS
Professor Zhang Chenyu poses in a laboratory at Nanjing University in Nanjing, Jiangsu province April 29, 2011. The clinical trials business has gone global as drugmakers seek cheaper venues for studies and cast their net further afield for big pools of "treatment-naive" patients who are not already taking other drugs that could make them unsuitable subjects for testing new ones. Picture taken April 29, 2011. To match special report PHARMACEUTICALS/TRIALS REUTERS/Aly Song (CHINA - Tags: HEALTH SOCIETY SCI TECH)