Groenen, M. J., Kuipers, E. J., Hansen, B. E., & Ouwendijk, R. J. T. Incidence of Duodenal Ulcers and Gastric Ulcers in a Western Population: Back to Where It Started. Wiley.
Chicago Style (17th ed.) CitationGroenen, Marcel JM, Ernst J. Kuipers, Bettina E. Hansen, and Rob J Th Ouwendijk. Incidence of Duodenal Ulcers and Gastric Ulcers in a Western Population: Back to Where It Started. Wiley.
MLA (9th ed.) CitationGroenen, Marcel JM, et al. Incidence of Duodenal Ulcers and Gastric Ulcers in a Western Population: Back to Where It Started. Wiley.
Warning: These citations may not always be 100% accurate.