TY - JOUR AU - Ahmed, A B; Gilja, O H; Hausken, T TI - Strain measurement during antral contractions by ultrasound strain rate imaging: influence of erythromycin JO - Neurogastroenterol Motil VL - 21 PY - 2009 DO - 10.1111/j.1365-2982.2007.01043.x SP - 170 EP - 179 N1 - et al. ER -