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oa South African Journal of Clinical Nutrition - The difficulty of assessing night blindness in Malawi : language barriers : correspondence

Volume 18, Issue 2
  • ISSN : 1607-0658

 

Abstract

Extracted from text ... SAJCN 96 September 2005, Vol. 18, No. 2 CORRESPONDENCE The difficulty of assessing night blindness in Malawi: Language barriers To the Editor: For a long time vitamin A deficiency (VAD) has been recognised as a public health problem in Malawi, primarily on the basis of localised studies.1 However, a national micronutrient survey conducted in 20012 showed that the prevalence of VAD (serum retinol < 20 mg/dl3) was 59.2% in preschool children and 57.4% in non-pregnant women of reproductive age, clearly indicating a very serious public health problem.4 During this survey, 2 night blindness (XN) was also assessed with 7.7% ..

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/content/m_sajcn/18/2/EJC64900
2005-09-01
2016-12-10

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