I estimate that in the US alone, there are more than twentymillion subjects, half of whom represent drug trials. Worldwide,this number could exceed fifty million, with about half that numberin drug studies. ###>Selon mes estimations, rien qu'aux USA, les cobayes humainssont plus de 20 millions, et au niveau de la planète, probablementplus de 50 millions, la moitié d'entre eux servant à tester lesmédicaments.