الفهرس 
INTRODUCTIONOnly 14 pages are availabe for public view
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Abstract
Zagazig University hospitals. Control group: included thirty neighbors and relevant of cases selected randomly from the same village and have no symptoms of lead toxicity. They were matched to the cases of lead toxicity regarding age, residence and smoking habit. Any person who had BLL exceeds 10 µg/100ml at the time of the study excluded from the study.
i- First stage (case control study):
1- Data were collected about lead poisoning at El-Shabrawin Village in Sharkia Governorate through:
a. Case study information: about lead toxicity cases at El-Shabrawin Village were obtained by reviewing the medical records of lead toxicity cases at Clinical Toxicology Unit in Zagazig University Hospitals.
b. Physical examination: had been done for the studied cases at Clinical Toxicology Unit. It included general examination which included measurement of blood pressure and pulse, local neurological and abdominal examination.
c. Assessment of laboratory parameters for the studied cases and controls through estimation of BLL for both groups (cases and controls) considering lead toxicity when BLL is elevated by ≥25 µg/100ml for adults (CDC, 2011) and ≥10 µg/100ml for children (Dugdale and Zieve, 2011). Also assessment of complete blood picture and liver & kidney function tests were done.
d. Environmental measurements: was obtained by reviewing results of samples taken by the local health authority from suspected flour mills, tap water, earth and from flour stored in suspected houses.