“…The cisapride had been previously tried by Hjelt (2), but the duration of the procedure was from 1 to 3 hours. Subsequently Warngard et al (3) compared cisapride with placebo, finding that cisapride resulted in a statistically significant shortening of the total time of the procedure. In our study, the average time for performing an intestinal biopsy was similar to the value reported by Collins et al (4) and Hogberg et al (5) and lower than the data reported by other authors (2,6).…”