?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Derks%2C+EM&rft.aufirst=EM&rft.aulast=Derks&rft.pages=-&rft.issn=1932-6203&rft.date=22+June+2012&rft.volume=7&rft.atitle=Investigation+of+the+genetic+association+between+quantitative+measures+of+psychosis+and+schizophrenia%3A+a+polygenic+risk+score+analysis&rft.title=PLoS+One&rft.genre=article