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pro vyhledávání: '"Jitske T. Brouwer"'
Publikováno v:
Clinical Chemistry. 48:2061-2063
Vitamin A deficiency is common in many developing countries. Population-based surveys suggest that as many as 175 million children of preschool age are vitamin A-deficient (1). Especially in sub-Saharan Africa, severe subclinical deficiency (retinol
Publikováno v:
Clinical chemistry. 48(11)