Helm, J. F., Dodds, W. J., Pelc, L. R., Palmer, D. W., Hogan, W. J., & Teeter, B. C. (1984). Effect of Esophageal Emptying and Saliva on Clearance of Acid from the Esophagus. The New England journal of medicine, 310(5), 284-288. https://doi.org/10.1056/NEJM198402023100503
Chicago Style (17th ed.) CitationHelm, James F., Wylie J. Dodds, Lorie R. Pelc, David W. Palmer, Walter J. Hogan, and Bruce C. Teeter. "Effect of Esophageal Emptying and Saliva on Clearance of Acid from the Esophagus." The New England Journal of Medicine 310, no. 5 (1984): 284-288. https://doi.org/10.1056/NEJM198402023100503.
MLA (9th ed.) CitationHelm, James F., et al. "Effect of Esophageal Emptying and Saliva on Clearance of Acid from the Esophagus." The New England Journal of Medicine, vol. 310, no. 5, 1984, pp. 284-288, https://doi.org/10.1056/NEJM198402023100503.