Vitamin K deficiency in the newborn.
D015415:Biomarkers; D001942:Breast Feeding; D006801:Humans; D007231:Infant, Newborn; D011498:Protein Precursors / Q000032:analysis*; D011516:Prothrombin / Q000032:analysis*; D014813:Vitamin K Deficiency / Q000097:blood / Q000175:diagnosis*
D015415:Biomarkers; D011498:Protein Precursors; C008208:acarboxyprothrombin; D011516:Prothrombin