The patient further denies any history of recent HA. .
 The patient has had no recent headaches
(ROOT (S (NP (DT The) (NN patient)) (ADVP (RB further)) (VP (VBZ denies) (NP (NP (DT any) (NN history)) (PP (IN of) (NP (JJ recent) (NNP HA) (. .))))) (. .)))
(ROOT (S (NP (DT The) (NN patient)) (VP (VBZ has) (VP (VBN had) (NP (DT no) (JJ recent) (NNS headaches))))))
( ( The patient ) ( further ( ( denies ( ( any history ) ( of ( recent ( HA . ) ) ) ) ) . ) ) )
( ( The patient ) ( has ( had ( no ( recent headaches ) ) ) ) )