title: The use of prophylactic vitamin K at birth.
authors.affiliation: Department of Haematology, Hospital Nacional de Niños, San José, Costa Rica.
authors.forename: E
authors.initials: E
authors.lastname: Jiménez
authors.forename: R
authors.initials: R
authors.lastname: Jiménez
mesh_terms: D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D014812:Vitamin K / Q000009:adverse effects / Q000627:therapeutic use*; D014813:Vitamin K Deficiency / Q000517:prevention & control*; D006475:Vitamin K Deficiency Bleeding; D014815:Vitamins / Q000627:therapeutic use*
chemical_list: D014815:Vitamins; D014812:Vitamin K