HRADSKY , M. ., & FURUGÅRD , K. . (1978). The effect of Metoclopramide (Primperan®) on the Pyloric Sphincter during Gastroscopic Examination: A Double Blind Investigation versus Placebo. Upsala Journal of Medical Sciences, 83(2), 103–104. https://doi.org/10.3109/03009737809179120