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…showed last 75 words of 3923 total…persons in Beirut. Out of 150.000 health cases admitted to Hospitals in Beirut, 15% are admitted for diseases affected by air pollution. However no break down by age, sex or diagnosis is available. Finally, all studies on air pollution are still concentrated on cities rather than rural areas due to the severity of cases reached in urban areas. The main problems could be summarized in the: *p class="MsoNormal" style="margin-left:.25in;text-align:justify;text-kashida: 0%;text-indent:-.