( ( Disorders ( of ( the ( Autonomic ( Nervous System ) ) ) ) ) . )
(ROOT (NP (NP (NNS Disorders)) (PP (IN of) (NP (DT the) (NNP Autonomic) (NNP Nervous) (NNP System))) (. .)))
Disorders of the Autonomic Nervous System.
(ROOT (S (NP (JJ Neurodevelopmental) (NNS disorders)) (VP (VBP happen) (SBAR (WHADVP (WRB when)) (S (NP (NP (NN development)) (PP (IN of) (NP (JJ nervous) (NN system)))) (VP (VBZ is) (ADJP (JJ disturbed)))))) (. .)))