title: Comments on "polycyclic aromatic hydrocarbons (PAHs) in urban surface dust of Guangzhou, China: status, sources and human health risk assessment".
authors: Environmental Biology and Ecotoxicology Laboratory, Department of Environmental Sciences, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad 45320, Pakistan. Electronic address: dr.atifkamal@yahoo.com.
authors: Atif
authors: A
authors: Kamal
authors: Environmental Biology and Ecotoxicology Laboratory, Department of Environmental Sciences, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad 45320, Pakistan. Electronic address: r_n_malik2000@yahoo.co.uk.
authors: Riffat Naseem
authors: RN
authors: Malik
mesh_terms: D000393:Air Pollutants / Q000032:analysis*; D004391:Dust / Q000032:analysis*; D004781:Environmental Exposure / Q000032:analysis*; D004784:Environmental Monitoring / Q000379:methods*; D006801:Humans; D011084:Polycyclic Aromatic Hydrocarbons / Q000032:analysis*
chemical_list: D000393:Air Pollutants; D004391:Dust; D011084:Polycyclic Aromatic Hydrocarbons
keywords: Cancer risk; ILCR; PAHs