Decreased Number of Duodenal Endocrine Cells with Unaltered Serotonin‐Containing Cells in Functional Dyspepsia. (December 2016) - Witte, Anne‐Barbara; Walker, Marjorie M; Talley, Nicholas J; Aro, Pertti; Ronkainen, Jukka; Marrazzo, Vincenzo; Agréus, Lars; Schmidt, Peter T