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This study provided the first evidence of the biological comparability between serum retinol levels estimated from venous blood and capillary blood. This critical observation provides empirical evidence that this important indicator of vitamin A status may be measured from capillary blood, which has important implications for nonclinical population-based research.

Author(s): Gorstein J; Dary O; Pongtorn; Shell-Duncan B; Quick T; Hix J; Kandavasee; Wasanwisut E

Corporate author(s): PATH; Institute of Nutrition, Mahidol University

Publication date: 2005

Available materials

English

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Region: Asia

See also: Health technologiesDiagnostic technologies

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Contact: PATH Publications
Email: publications@path.org
Mailing address: PATH, PO Box 900922, Seattle, WA 98109 USA