868
Participants
Start Date
March 31, 2012
Primary Completion Date
April 30, 2012
Study Completion Date
December 31, 2012
Trained operator with M probe.
Trained operator with M probe: non-drug intervention, baseline comparator.
Experienced operator with M probe.
Experienced operator with M probe: non-drug intervention, longitudinal comparator.
Experienced operator with XL probe.
Experienced operator with XL probe: non-drug intervention, longitudinal comparator.
Hospital del Mar, Servei de Digestiu, Barcelona
Parc de Salut Mar
OTHER