1. du Plessis, D. J.: Some aspects of the pathogenesis and surgical management of peptic ulcers. S. Afr. Med. J. 34, 101–108 (1960)
2. du Plessis, D. J.: Gastric mucosal changes after operations on the stomach. S. Afr. Med. J. 36, 471–478(1962)
3. du Plessis, D. J.: The importance of the pyloric antrum in peptic ulceration. S. Afr. J. Surg. 1, 3–11 (1963)
4. du Plessis, D. J.: The distribution of gastritis in carcinoma of the stomach. Br. J. Surg. 61, 521–523(1974)
5. du Plessis, D. J., Lawson, H. H.: Gastric mucosal alterations benign and malignant. In: Surgery Annual. Nyhus, L. (ed.), pp. 73–101. Appleton: Century Croft 1974