The placebo effect is a relevant factor in evaluating effectiveness of therapies in functional gastrointestinal disorders.
Journal article published in 2014 by
E. Savarino,
C. De Cassan,
G. Bodini,
M. Furnari 
,
N. de Bortoli,
V. Savarino
,
N. de Bortoli,
V. Savarino
