%0 Journal Article %T Non-invasive measurement of erythrocyte zinc protoporphyrin in children %J - %D 2018 %R https://doi.org/10.1038/s41390-018-0247-x %X Reliable screening for iron deficiency (ID) has required a blood sample and cost-intensive laboratory measurements. A novel method to non-invasively measure erythrocyte zinc protoporphyrin (ZnPP), an established marker for ID, is evaluated in children %U https://www.nature.com/articles/s41390-018-0247-x