IllingworthC. F. W.ScottL. D. W.JamiesonR. A. (1944). Acute perforated peptic ulcer. Frequency and incidence in the West of Scotland. British Medical Journal, 2, 617 and 655
2.
JamiesonR. A. (1955). Acute perforated peptic ulcer. Frequency and incidence in the West of Scotland. British Medical Journal, 2, 222
3.
LangmanM. (1974). The changing nature of the duodenal ulcer diathesis Symposium on Chronic Duodenal Ulcer. Editor WastellC.. London: Butterworth
4.
MackayC. (1966). Perforated peptic ulcer in the West of Scotland: a survey of 5343 cafes during 1954–63. British Medical Journal, 1, 701
5.
PulvertaftC. N. (1968). Comments on the incidence and natural history of gastric and duodenal ulcer. Postgraduate Medical Journal, 44, 597
6.
SusserM.SteinZ. (1962). Civilisation and peptic ulcer. Lancet1, 115