Authors' reply

BMJ 1995; 310 doi: https://doi.org/10.1136/bmj.310.6978.530b (Published 25 February 1995) Cite this as: BMJ 1995;310:530
  1. Nita Bhandari,
  2. M K Bhan,
  3. Sunil Sazawal
  1. Senior research officer Additional professor Senior research officer Division of Gastroenterology and Enteric Infections, Department of Paediatrics, All India Institute of Medical Sciences, New Delhi 110029, India

    EDITOR,—Several of the issues raised by Paul Pharoah and colleagues are pertinent. The reduction in the prevalence of diarrhoea with fever and the incidence of measles was observed only in subgroup analysis and must be considered to be only suggestive. As there was a significant interaction of age on the effect of vitamin A …

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