brainstem contusion without open intracranial wound, with prolonged LOC and without return to pre-existing conscious level
brainstem contusion without open intracranial wound, with prolonged loc and without return to pre-existing conscious level
brainstem contusion without open intracranial wound, with prolonged LOC and without return to pre-existing conscious level
brainstem contusion without open intracranial wound, with prolonged loc and without return to pre-existing conscious level