Tài liệu tham khảo WikiPedia: Polytetrafluoroethylen http://investors.dupont.com/investor-relations/inv... http://www.genome.ad.jp/dbget-bin/www_bget?cpd:D08... http://www.commonchemistry.org/ChemicalDetail.aspx... http://www.ebi.ac.uk/chebi/searchId.do?chebiId=532... http://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHE... https://www.chemours.com/Teflon/en_US/ https://web.archive.org/web/20160306075440/http://...
