Mette Kjær Killie, Anne Husebekk, Jens Kjeldsen-Kragh, Bjørn Skogen. A prospective study of maternal anti-HPA 1a antibody level as a potential predictor of alloimmune thrombocytopenia in the newborn. Haematologica 2008;93(6):870-877; https://doi.org/10.3324/haematol.12515.