Correspondence

Points: Smiles about rickets, gloom over whooping cough

Br Med J (Clin Res Ed) 1982; 284 doi: https://doi.org/10.1136/bmj.284.6320.985-e (Published 27 March 1982) Cite this as: Br Med J (Clin Res Ed) 1982;284:985

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