(S (S (NP (BASENP (JJ New) (NN research)) (VP (VBN published) (PP (IN in) (BASENP (DT the) (NN journal) (NNP Nature) (NNP Medicine))))) (VP (VBZ has) (VP (VBN shown) (NP (BASENP (DT a) (NN link)) (PP (IN between) (NP (BASENP (DT a) (JJ faulty) (NN gene)) (CC and) (BASENP (NNS migraines)))))))) (PERIOD .))