AU  - Kuehn BM
TI  - TRial volunteer registry
PT  - JOUR
DP  - 2009
TA  - JAMA
pages = {2644},
VI  - 302
IP  - 24
AID  - 10.1001/jama.2009.1849 [doi]
4100  - http://dx.doi.org/10.1001/jama.2009.1849
SO  - JAMA December 23, 2009 302(24):2644