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S00228-012-1231-8
S00228-012-1231-8
http://dx.doi.org/10.1007/S00228-012-1231-8
TOPS: an internet-based system to prevent healthy subjects from over-volunteering for clinical trials
P356
Q36028576-33A652C7-F91E-43C8-B7E0-BF9941AD8AC0
P356
S00228-012-1231-8
http://dx.doi.org/10.1007/S00228-012-1231-8