| basal gastrin | 0.59 | The mean of the three fasting samples was used as the basal gastrin concentration. | ||
| circulating gastrin | 0.33 | Circulating gastrin is trophic to parietal vells, but its paracrine effects are unknown. | ||
| fasting gastrin | 0.33 | The finding of enhanced fasting gastrin concentrations in H pylori positive subjects and in duodenal ulcer disease cannot easily be explained. |