{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,4]],"date-time":"2026-05-04T15:20:54Z","timestamp":1777908054440,"version":"3.51.4"},"reference-count":10,"publisher":"SAGE Publications","issue":"2","license":[{"start":{"date-parts":[[1994,4,1]],"date-time":"1994-04-01T00:00:00Z","timestamp":765158400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Trop Doct"],"published-print":{"date-parts":[[1994,4]]},"abstract":"<jats:p>Of 207 children (aged 4\u20137 years) in western Mali examined clinically and by conjunctival impression cytology (CIC), 2% had night blindness, no child had Bitot spots and 78% were found to have abnormal CIC suggesting deficiency in vitamin A.<\/jats:p>\n                  <jats:p>In a cohort of 53 children examined by CIC pre- and post-harvest (June and December), abnormal CIC were seen in 77.4% and 54.7%, respectively ( P = 0.04).<\/jats:p>\n                  <jats:p>Subclinical vitamin A deficiency is a problem in this area. A seasonal variation is demonstrated. CIC is a useful method for identifying communities with subclinical vitamin A deficiency. A variety of strategies for dealing with vitamin A deficiency are discussed.<\/jats:p>","DOI":"10.1177\/004947559402400208","type":"journal-article","created":{"date-parts":[[2017,1,14]],"date-time":"2017-01-14T00:02:44Z","timestamp":1484352164000},"page":"70-72","source":"Crossref","is-referenced-by-count":7,"title":["Evaluation of Vitamin A Deficiency in the Yelimane Circle of Mali, West Africa"],"prefix":"10.1177","volume":"24","author":[{"given":"Andrew L","family":"Perkins","sequence":"first","affiliation":[{"name":"Projet Sante Oculaire, Mission Protestante, Yelimane, Mali, West Africa"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[1994,4,1]]},"reference":[{"key":"bibr1-004947559402400208","doi-asserted-by":"crossref","first-page":"695","DOI":"10.1093\/ajcn\/48.3.695","volume":"48","author":"Gadomski AM","year":"1988","journal-title":"Am J Clin Nutr"},{"key":"bibr2-004947559402400208","doi-asserted-by":"publisher","DOI":"10.1093\/ajcn\/47.5.875"},{"key":"bibr3-004947559402400208","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(87)92711-5"},{"key":"bibr4-004947559402400208","doi-asserted-by":"publisher","DOI":"10.1001\/archopht.1987.01060090082033"},{"key":"bibr5-004947559402400208","doi-asserted-by":"publisher","DOI":"10.1016\/0140-6736(92)91271-9"},{"key":"bibr6-004947559402400208","unstructured":"WHO. Control of vitamin A deficiency and xerophthalmia. Technical Report Series. Geneva: WHO, 1982:672."},{"key":"bibr7-004947559402400208","volume-title":"Simplified classification of trachoma","author":"WHO","year":"1987"},{"key":"bibr8-004947559402400208","volume-title":"Le deficit en vitamine A","author":"Amedee-Manesme O","year":"1989"},{"key":"bibr9-004947559402400208","volume-title":"Prevalence du deficit en vitamine A au Senegal","author":"Amedee-Manesme O"},{"key":"bibr10-004947559402400208","volume-title":"Prevention de la cecite chez l'enfant: une methodologie d'evaluation simplifiee","author":"Resnikoff S","year":"1992"}],"container-title":["Tropical Doctor"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/004947559402400208","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/004947559402400208","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,5,1]],"date-time":"2026-05-01T13:55:07Z","timestamp":1777643707000},"score":1,"resource":{"primary":{"URL":"https:\/\/journals.sagepub.com\/doi\/10.1177\/004947559402400208"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1994,4]]},"references-count":10,"journal-issue":{"issue":"2","published-print":{"date-parts":[[1994,4]]}},"alternative-id":["10.1177\/004947559402400208"],"URL":"https:\/\/doi.org\/10.1177\/004947559402400208","relation":{},"ISSN":["0049-4755","1758-1133"],"issn-type":[{"value":"0049-4755","type":"print"},{"value":"1758-1133","type":"electronic"}],"subject":[],"published":{"date-parts":[[1994,4]]}}}