[Case of Christmas factor deficiency].
D002648:Child; D005164:Factor IX; D006467:Hemophilia A; D002836:Hemophilia B; D006801:Humans; D007223:Infant; D008511:Medicine; D025064:Sex Chromosome Disorders
D005164:Factor IX
HEMOPHILIA/in infant and child
Un caso de deficiencia de factor Christmas.