@article{article,
title = {Serum copper and iron levels in iron-deficiency anemia treated with intravenous iron},
author = {},
year = {1970},
journal = {Polski Tygodnik Lekarski},
volume = {25},
number = {6},
pages = {207-209},
howpublished = "\url{https://eurekamag.com/research/044/305/044305878.php}"
}