title: Response to the letter submitted by Dos Santos et al.
authors: Department of Geography and Environment, School of Geosciences, University of Aberdeen, Elphinstone Road, Aberdeen AB24 3UF, UK; Comparative Plant and Fungal Biology, Royal Botanic Gardens, Kew, Surrey TW9 3DS, UK. Electronic address: patricia.wiltshire1@btinternet.com.
authors: Patricia E J
authors: PE
authors: Wiltshire
authors: Comparative Plant and Fungal Biology, Royal Botanic Gardens, Kew, Surrey TW9 3DS, UK; Departamento de Biología Vegetal II, Facultad de Farmacia, Universidad Complutense de Madrid, Plaza Ramón y Cajal, Madrid 28040, Spain; Department of Life Sciences, The Natural History Museum, Cromwell Road, London SW7 5BD, UK.
authors: David L
authors: DL
authors: Hawksworth
authors: Department of Geography and Environment, School of Geosciences, University of Aberdeen, Elphinstone Road, Aberdeen AB24 3UF, UK; Department of Archaeology, School of Geosciences, University of Aberdeen, Elphinstone Road, Aberdeen AB24 3UF, UK.
authors: Kevin J
authors: KJ
authors: Edwards
mesh_terms: D006801:Humans; D008297:Male; D008853:Microscopy; D011619:Psychotropic Drugs / Q000032:analysis*; D015813:Substance Abuse Detection; D019966:Substance-Related Disorders / Q000175:diagnosis*
chemical_list: D011619:Psychotropic Drugs