M, G., CC, B., BE, S., WE, K., JS, R., & M, F. (1991). Effect of age on gastric acid secretion and serum gastrin concentrations in healthy men and women. Gastroenterology, 101(4), 977. https://doi.org/10.1016/0016-5085(91)90724-y
Chicago Style (17th ed.) CitationM, Goldschmiedt, Barnett CC, Schwarz BE, Karnes WE, Redfern JS, and Feldman M. "Effect of Age on Gastric Acid Secretion and Serum Gastrin Concentrations in Healthy Men and Women." Gastroenterology 101, no. 4 (1991): 977. https://doi.org/10.1016/0016-5085(91)90724-y.
MLA (9th ed.) CitationM, Goldschmiedt, et al. "Effect of Age on Gastric Acid Secretion and Serum Gastrin Concentrations in Healthy Men and Women." Gastroenterology, vol. 101, no. 4, 1991, p. 977, https://doi.org/10.1016/0016-5085(91)90724-y.