DOI:
10.1055/s-00000036
Laryngo-Rhino-Otologie
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References
Kartasurya MI, Ahmed F, Subagio HW. et al.
Zinc combined with vitamin A reduces upper respiratory tract infection morbidity in a randomised trial in preschool children in Indonesia.
Br J Nutr 2012;
108: 2251-2260
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