( May ( ( cause ( bleeding ( from ( ( stomach or ) ( duodenum-gastric distress ) ) ) ) ) . ) )
(ROOT (S (NP (NNP May)) (VP (VBP cause) (S (VP (VBG bleeding) (PP (IN from) (NP (NP (NN stomach)) (CC or) (NP (JJ duodenum-gastric) (NN distress))))))) (. .)))
May cause bleeding from stomach or duodenum-gastric distress.
(ROOT (S (NP (JJ Gastric) (NN emptying)) (VP (VBZ is) (VP (VBN regulated) (PP (IN by) (NP (NP (PDT both) (DT the) (NN stomach)) (CC and) (NP (DT the) (NN duodenum)))))) (. .)))