Delayed haemorrhagic disease of the newborn.
D001942:Breast Feeding; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D013997:Time Factors; D014812:Vitamin K / Q000627:therapeutic use; D014813:Vitamin K Deficiency / Q000150:complications*; D006475:Vitamin K Deficiency Bleeding / Q000209:etiology*
D014812:Vitamin K