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The British Journal of Nutrition|July 1, 1992
Production of chickens with marginal vitamin A deficiencyC E West, S R Sijtsma, H P Peters, et al.
The American Journal of Tropical Medicine and Hygiene|December 10, 1999
Anti-malarial drug use among preschool children in an area of seasonal malaria transmission in KenyaH Verhoef, E Hodgins, T A Eggelte, et al.
Veterinary Immunology and Immunopathology|February 15, 1992
Effects of vitamin A deficiency and Newcastle disease virus infection on lymphocyte subpopulations in chicken bloodJ H Rombout, B T van Rens, S R Sijtsma, et al.
The American Journal of Clinical Nutrition|December 1, 1992
Cross-sectional study on the iron and vitamin A status of pregnant women in West Java, IndonesiaD Suharno, C E West, Muhilal, et al.
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