title: Plasma concentrations after oral or intramuscular vitamin K1 in neonates.
mesh_terms: D000284:Administration, Oral; D006801:Humans; D007231:Infant, Newborn; D007273:Injections, Intramuscular; D010837:Vitamin K 1 / Q000008:administration & dosage* / Q000097:blood; D006475:Vitamin K Deficiency Bleeding / Q000517:prevention & control*
chemical_list: D010837:Vitamin K 1