On Some Causes of Backwardness and Stupidity in Children: And the Relife of these Symptoms in Some Instances by Naso-Pharyngeal ScarificationsBr Med J 1889; 2 doi: http://dx.doi.org/10.1136/bmj.2.1500.711 (Published 28 September 1889) Cite this as: Br Med J 1889;2:711
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