Authors: BALLAL SG ALI BA ALBAR AA AHMED HO ALHASAN AY

Citation: Sg. Ballal et al., BRONCHIAL-ASTHMA IN 2 CHEMICAL FERTILIZER PRODUCING FACTORIES IN EASTERN SAUDI-ARABIA, The international journal of tuberculosis and lung disease, 2(4), 1998, pp. 330-335

Authors: ALABDULKAREEM AA BALLAL SG

Citation: Aa. Alabdulkareem et Sg. Ballal, CONSANGUINEOUS MARRIAGE IN AN URBAN AREA OF SAUDI-ARABIA - RATES AND ADVERSE HEALTH-EFFECTS ON THE OFFSPRING, Journal of community health, 23(1), 1998, pp. 75-83

Authors: BALLAL SG

Citation: Sg. Ballal, OCULAR TRAUMA IN AN IRON FORGING INDUSTRY IN THE EASTERN PROVINCE, SAUDI-ARABIA, Occupational medicine, 47(2), 1997, pp. 77-80

Authors: BALLAL SG

Citation: Sg. Ballal, PATTERN OF ACCIDENTS IN AN IRON FACTORY IN THE EASTERN PROVINCE OF SAUDI-ARABIA, Saudi medical journal, 17(6), 1996, pp. 772-778

Authors: BALLAL SG

Citation: Sg. Ballal, A CASE-CONTROL STUDY OF THE INCIDENCE OF CORONARY HEART-DISEASE RISK-FACTORS IN SAUDIS AT ALMADINA-ALMUNAWARAH, Saudi medical journal, 17(4), 1996, pp. 542-542