[Elevated eosinophilias (30-90%) and their place among parasitic and nonparasitic diseases (personal observations)]

The 237 cases of hypereosinophilia studied, ranging from 30 to 90% showed that, except for two cases that were not confirmed by the repeated blood leukograms, 22 had a parasitic origin, 6 appeared in certain pathologic states, or various severe diseases, 5 had an undetermined etiology and 2 were off the record. The authors draws the attention on the value of various methods of investigation which he used especially in the diagnosis of the parasitic diseases met with.