@article{LeventiAksanNebeetal.2021,
  author    = {Eleni Leventi and Ayseg{\"u}l Aksan and Carl Thomas Nebe and J{\"u}rgen Stein and Karima Farrag},
  title     = {Zinc protoporphyrin is a reliable marker of functional iron deficiency in patients with inflammatory bowel disease},
  journal   = {Diagnostics},
  volume    = {11},
  number    = {2, art. 366},
  pages     = {1 -- 11},
  doi       = {10.3390/diagnostics11020366},
  year      = {2021},
}