?url_ver=Z39.88-2004&rft_id=10.1007%2Fs11356-017-0721-8&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=A.&rft.aulast=Malakahmad&rft.au=Malakahmad%2C+A.&rft.pages=5421-5436&rft.atitle=Genotoxicity+assessment+of+raw+and+treated+water+samples+using+Allium+cepa+assay%3A+evidence+from+Perak+River%2C+Malaysia&rft.volume=25&rft.issn=09441344&rft.issue=6&rft.date=2018&rft.title=Environmental+Science+and+Pollution+Research&rft.genre=article