Marcello Costa
... that Marcello Costa spent his career researching the links between the nervous system and the gut?
... that <b id="mwArA"><a href="./Marcello_Costa" id="mwArE" rel="mw:WikiLink" title="Marcello Costa">Marcello Costa</a></b> spent his career researching the links between the <a href="./Nervous_system" id="mwArI" rel="mw:WikiLink" title="Nervous system">nervous system</a> and the <a href="./Gastrointestinal_tract" id="mwArM" rel="mw:WikiLink" title="Gastrointestinal tract">gut</a>?