?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=P+S+van&rft.au=Wyk%2C+P+S+van&rft.aulast=Wyk&rft.atitle=Aflatoxin+contamination+of+groundnuts+in+Mozambique&rft.title=International+Arachis+Newsletter&rft.issn=1010-5824&rft.date=1999&rft.volume=19&rft.pages=25-27&rft.genre=article