Abstract Background About 30% of children < 5 years old are estimated to experience vitamin A deficiency worldwide. Globally, vitamin A deficiency can be reduced by five major interventions: supplementation, dietary modification, fortification, promotion of both public […]
Abstract One of the major health problems in most of the countries is vitamin A deficiency, which causes serious complications in children. Worldwide, nearly 2.8 million children aged 4–6 years old are affected by clinical […]
چکیده یکی از مشکلات مهم سلامت در بسیاری از کشورهای جهان، کمبود ویتامین آ می‌باشد که باعث عوارض جدی در کودکان شده است. در سراسر جهان، حدود 8/2 میلیون کودک 6-4 ساله، تحت تأثیر علایم […]