@article{Pilz:75782,
      author        = "Pilz, S. and Zittermann, A. and Obeid, R. and Hahn, A. and
                       Pludowski, P. and Trummer, C. and Lerchbaum, E. and
                       Pérez-López, F.R. and Karras, S.N. and März, W.",
      title         = "{The role of vitamin D in fertility and during pregnancy
                       and lactation: A review of clinical data}",
      year          = "2018",
}