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1 Dietary source of vitamin B12 intake and vitamin B12 status in female elderly Koreans aged 85 and older living in rural area
Chung Shil Kwak, Mee Sook Lee, Hae Jeung Lee, Jin Yong Whang, Sang Chul Park
Nutr Res Pract.2010;4(3):229-234.   Published online 2010 June 29     DOI: http://dx.doi.org/10.4162/nrp.2010.4.3.229

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