( ( Injuries ( of brain ) ) ( , ( ( ( ( strokes , ) shock ) , ) ( ( concussion ( with unconsciousness ) ) . ) ) ) )
(ROOT (S (NP (NP (NNS Injuries)) (PP (IN of) (NP (NN brain)))) (, ,) (NP (NP (NNS strokes)) (, ,) (NP (NN shock)) (, ,)) (VP (VBN concussion) (PP (IN with) (NP (NNS unconsciousness)))) (. .)))
Injuries of brain, strokes, shock, concussion with unconsciousness.
(ROOT (S (NP (DT A) (PRN (-LRB- -LRB-) (NP (NN n)) (-RRB- -RRB-)) (NN concussion)) (VP (VBZ is) (NP (NP (DT the) (ADJP (RBS most) (JJ common)) (NN type)) (PP (IN of) (NP (NN brain) (NN injury))))) (. .)))