GASTRIC ANALYSIS
The importance of gastric analysis is generally recognized. To be sure, there are a few who maintain that by this test nothing can be learned which cannot be obtained more easily and accurately by means of the roentgen ray. This is true for motility and emptying time, but for the diagnosis of achylia gastrica, hyperchlorhydria and other secretory disturbances, gastric analysis is necessary because roentgen-ray observations are of little value in these conditions. In recent years, much work has been done by means of gastric analysis to study the response of the infant's stomach to different types of meals. The importance of this test is further emphasized by the fact that there are no other good methods available for testing gastric secretory function, since the recently suggested gastric test with neutral red has not been found satisfactory. For these reasons, gastric analysis has generally been regarded as an