CARLBORG , L.; DAHLGREN , S.; JOHANSSON , H.; LINDQUIST , B.; NORDGREN , B. Vagal Influence on Gastric Secretion of Hydrochloric Acid and Sialic Acid-containing Mucoproteins in the Rat on Provocation of Gastric Ulceration. Upsala Journal of Medical Sciences, v. 77, n. 1, p. 29-32, 2 Feb. 1972.