Use of Model-Based Compartmental Analysis and a Super-Child Design to Study Whole-Body Retinol Kinetics and Vitamin A Total Body Stores in Children from 3 Lower-Income Countries von Ford, Jennifer Lynn, Green, Joanne Balmer, Haskell, Marjorie J, Ahmad, Shaikh M, Mazariegos Cordero, Dora Inés, Oxley, Anthony, Engle-Stone, Reina, Lietz, Georg, Green, Michael H

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Assessing Accuracy and Precision of Hemoglobin Determination in Venous, Capillary Pool, and Single-Drop Capillary Blood Specimens Using three Different HemoCue® Hb Models: The Mult... von Hackl, Laura S, Karakochuk, Crystal D, Mazariegos, Dora Inés, Jeremiah, Kidola, Obeid, Omar, Ravi, Nirmal, Ayana, Desalegn A, Varela, Veronica, Alayón, Silvia, Dary, Omar, Moorthy, Denish

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Experiences and Lessons Learned in Developing and Implementing a Population-Based Nutrition and Health Surveillance System in Guatemala 2011–2021 von Palmieri, Mireya, Flores-Ayala, Rafael, Mesarina, Karla, Mazariegos, Dora Inés, Martínez, Carolina, López, Baudilio, Santizo, María Claudia, Whitehead, Ralph D, Addo, O Yaw, Aponte, José, Quiñónez, Eugenia De León, Sagastume, Manuel de Jesús, Jefferds, María Elena D

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Perspective: Integration to Implementation (I-to-I) and the Micronutrient Forum—Addressing the Safety and Effectiveness of Vitamin A Supplementation von Raiten, Daniel J, Darnton-Hill, Ian, Tanumihardjo, Sherry A, Suchdev, Parminder S, Udomkesmalee, Emorn, Martinez, Carolina, Mazariegos, Dora Inés, Mofu, Musonda, Kraemer, Klaus, Martinez, Homero

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Trends in Micronutrient Interventions, Anemia, and Iron Deficiency among Women and Children in Guatemala, 2009–2019 von Gosdin, Lucas, Addo, O Yaw, Palmieri, Mireya, Mesarina, Karla, Mazariegos, Dora Inés, Martínez, Carolina, Santizo, Maria Claudia, Guzmán, Lizet, Alfaro, Yma, Flores-Ayala, Rafael, Jefferds, Maria Elena D.

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Emerging Evidence and Critical Issues with the Use of Single-Drop Capillary Blood for the Measurement of Hemoglobin Concentration in Population-Level Anemia Surveys von Karakochuk, Crystal D, Dary, Omar, Flores-Urrutia, Monica C, Garcia-Casal, Maria Nieves, Hayashi, Chika, Jefferds, Maria Elena D, Johnston, Robert, Larson, Leila M, Mapango, Carine, Mazariegos Cordero, Dora I, Moorthy, Denish, Namaste, Sorrel, Rogers, Lisa M, Saha, Kuntal, Wuehler, Sara

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COUNTRY PERSPECTIVE. WHAT ARE THE IMPLICATIONS OF THE CURRENT CONCERN/DEBATE ON NATIONAL EFFORTS TO PREVENT VITAMIN A DEFICIENCY IN GUATEMALA von Mazariegos, Dora Inés, Martinez, Carolina, Melgar, Paul

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Heme-Iron Absorption Is Saturable by Heme-Iron Dose in Women von Pizzaro, Fernando, Olivares, Manuel, Hertrampf, Eva, Mazariegos, Dora Ines, Arredondo, Miguel

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Comparative laboratory validation of blood sampling methods and analytical devices in the measurement of hemoglobin in population surveys von Hackl, Laura S, Jeremiah, Kidola, Karakochuk, Crystal, Mazariegos, Dora I, Obeid, Omar, Oginni, Tolulope, Ayana, Desalegn A, Dary, Omar, Alayón, Silvia, Moorthy, Denish

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Iron bis-glycine chelate competes for the nonheme-iron absorption pathway von Pizarro, Ferando, Olivares, Manuel, Hertrampf, Eva, Mazariegos, Dora I, Arredondo, Miguel, Letelier, Angélica, Gidi, Virginia

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The Mechanisms for Regulating Absorption of Fe Bis-Glycine Chelate and Fe-Ascorbate in Caco-2 Cells Are Similar von Nuñez, Marco T., Mazariegos, Dora Inés, Pizarro, Fernando, Olivares, Manuel, Arredondo, Miguel

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Assessing accuracy and precision of hemoglobin determination in venous, capillary pool, and single-drop capillary blood specimens using three different HemoCue® Hb models: the mult... von Hackl, Laura S, Karakochuk, Crystal D, Mazariegos, Dora Inés, Jeremiah, Kidola, Obeid, Omar, Ravi, Nirmal, Ayana, Desalegn A, Varela, Veronica, Alayón, Silvia, Dary, Omar, Moorthy, Denish

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A NUTRITION SURVEILLANCE CASE-STUDY FROM GUATEMALA von Gonzalez, German, Palmieri, Mireya, Mendoza, Roberto, Mazariegos, Dora Inés, Martinez, Carolina, Santizo, Maria Claudia, Whitehead, Ralph D, Flores-Ayala, Rafael, Jefferds, Maria

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Experiences and Lessons Learned in Developing and Implementing a Population-Based Nutrition and Health Surveillance System in Guatemala 2011-2021 von Palmieri, Mireya, Flores-Ayala, Rafael, Mesarina, Karla, Mazariegos, Dora Ines, Ma, Lopez, Baudilio, Santizo, Maria Claudia, Whitehead, Ralph D, Addo, O. Yaw, Aponte, Jose, Quinonez, Eugenia De Leon, Sagastume, Manuel de Jesus, Jefferds, Maria Elena D

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Characterization of mitochondrial iron uptake in HepG2 cells von Mazariegos, Dora Inés, Cabantchik, Z Ioav, Cassels, Bruce K, Núñez, Marco Tulio

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O59 ¿DEBEMOS CORREGIR EL ERROR SISTEMÁTICO EN LA DETERMINACIÓN DE HEMOGLOBINA CON EQUIPOS HEMOCUE®? RELEVANCIA DE LA MEDICIÓN DEL SESGO EN CADA EQUIPO Y MODELO UTILIZADO EN CAMPO... von Mgtr Dora Inés Mazariegos Cordero, Dr Manolo Mazariegos Fernández, Dr Omar Dary Mansilla Instituto de Nutrición de Centro América, Panamá, INCAP, Guatemala, Bureau for Global Health, USAID, Washington, USA

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O50 EL HEMOCUE 801 SUBESTIMA LOS VALORES ALTOS DE HEMOGLOBINA (MUJERES) CON TENDENCIA DIFERENTE DE LA MEDICIÓN EN NIÑOS, LOS MODELOS 201+/301 PRESENTAN SESGO SIMILAR EN AMPLIO RANG... von Mgtr Dora Inés Mazariegos Cordero, Dr Manolo Mazariegos Fernández, Dr Omar Dary Mansilla Instituto de Nutrición de Centro América, Panamá, INCAP, Guatemala, Bureau of Global Health, USAID, Washington, USA

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The Mechanisms for Regulating Absorption of Fe Bis-Glycine Chelate and Fe-Ascorbate in Caco-2 Cells Are Similar1 von Mazariegos, Dora Ines, Pizarro, Fernando, Olivares, Manuel, Nunez, Marco T, Arredondo, Miguel

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Research Communication: Heme-Iron Absorption Is Saturable by Heme-Iron Dose in Women von Pizarro, Fernando, Olivares, Manuel, Hertrampf, Eva, Mazariegos, Dora Inés, Arredondo, Miguel

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Heme-iron absorption is saturable by heme-iron dose in women1 von Pizarro, Fernando, Olivares, Manuel, Hertrampf, Eva, Mazariegos, Dora Ines, Arredondo, Miguel

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