Gramer Gwendolyn;  Fang-Hoffmann Junmin;  Feyh Patrik;  Klinke Glynis;  Monostori Péter;  Mütze Ulrike;  Posset Roland;  Weiss Karl Heinz;  Hoffmann Georg F.;  Okun Jürgen G.: Newborn Screening for Vitamin B12 Deficiency in Germany—Strategies, Results, and Public Health Implications.
  JOURNAL OF PEDIATRICS, 216.  165-172.e4.  ISSN 0022-3476 (2020)