Even in human clinical studies, a variety of variables between different people muddy the waters too much for a clear picture. (newatlas.com)
The court's written findings define an «adequate and well - controlled human clinical study» as one lasting a minimum of six weeks using appropriate tools. (canadianbusiness.com)
While there have been a number of human clinical studies, we need larger, randomized, properly - controlled clinical trials that look specifically at these suspects. (diagnosisdiet.com)