31.   The man died from head injuries about three years ago.

32.   The victim received head injuries from which she died a week later.

33.   The woman is still recovering from severe head injuries at a local hospital.

34.   We have seen that a small skull for a very tall animal is a protection against severe head injuries.

35.   Wearing a helmet reduces the risk of head injuries.

36.   Wearing a helmet reduces the risk of head injury.

37.   She was taken to hospital with serious head injuries.