| They are also limited by the small proportion of cellular telephone users, and, particularly, the small numbers of users with an etiologically relevant time period. |
| We must note, however, that all these findings are etiologically nonspecific. |
| Gastric hypoacidity is associated with quantitative bacterial overgrowth and opportunistic enteric infections and may be etiologically important in the pathophysiology of the chronic diarrhea seen in some AIDS patients. |
