'Orthodontics in the GDS of England and Wales: a critical assessment of standards'.
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Pollard
D015982:Bias; D003796:Dental Service, Hospital / Q000592:standards*; D004739:England; D005792:General Practice, Dental / Q000592:standards*; D006801:Humans; D009970:Orthodontics / Q000592:standards*; D014852:Wales