title: Sampling: the uncertainty that dares not speak its name.
authors.affiliation: Birkbeck College, London, UK.
authors.forename: M
authors.initials: M
authors.lastname: Thompson
mesh_terms: D002623:Chemistry Techniques, Analytical / Q000379:methods; D004784:Environmental Monitoring / Q000379:methods / Q000592:standards*; D004785:Environmental Pollutants / Q000032:analysis*; D006801:Humans; D015203:Reproducibility of Results; D013048:Specimen Handling
chemical_list: D004785:Environmental Pollutants