Autor: |
Demmers MW; 1 Department of Clinical Chemistry and Hematology, Gelre Hospital, Apeldoorn, Netherlands., Niens M; 2 Department of Clinical Chemistry and Hematology, Laurentius Hospital, Roermond, Netherlands., van der Haar G; 3 Gelre Midwife and Birth Centre, Apeldoorn, Netherlands., van der Zaag-Loonen HJ; 4 Department of Clinical Epidemiology, Gelre Hospital, Apeldoorn, Netherlands., Hoffmann JJ; 5 H3L Consult, Nuenen, Netherlands., Adriaansen HJ; 1 Department of Clinical Chemistry and Hematology, Gelre Hospital, Apeldoorn, Netherlands. |