The first published report of successful treatment with vitamin K of life-threatening hemorrhage in a jaundiced patient with prothrombin deficiency was made in 1938 by Smith, Warner, and Brinkhous.
O primeiro informe publicado dun tratamento exitoso con vitamina K dunha hemorraxia potencialmente mortal nun paciente afectado de deficiencia de protrombina data de 1938 e estaba asinado por Smith, Warner, e Brinkhous.