007440000a22002050004500003000900000005001700009020001500026100001900041700001900060710004800079245013300127264005400260300000900314500006400323041000800387650004900395650004200444650004100486040001100527PH-MaWHO20241108112536.0  a0935368434  aWest, Keith P.  aSommer, Alfred  aInternational Vitamin A Consultative Group.  aPeriodic, large oral doses of vitamin A for the prevention of vitamin A deficiency and xerophthalmia : a summary of experiences.  aWashington, D.C. : bNutrition Foundation,c1984.  a44p.  aA report of the International Vitamin A Consultative Group.  aeng  aVitamin A deficiencyxPrevention and control  aXerophthalmiaxPrevention and control  aVitamin AxAdministration and dosage  aWHOLIS