Mutations in male germ cells as a cause of haemophilia. The effects of advancing age.
D000328:Adult; D000368:Aged; D000375:Aging; D005260:Female; D006467:Hemophilia A / Q000209:etiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009154:Mutation; D013094:Spermatozoa