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Meechan, J., Hobson, R., Hare, J. et al. Periodontal ligament anaesthesia: with or without a vasoconstrictor?'. Br Dent J 162, 451 (1987). https://doi.org/10.1038/sj.bdj.4806163
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DOI: https://doi.org/10.1038/sj.bdj.4806163