George Magdy Morshed  <br/><br/>
Different radiological modalities in the assessment of perthes' disease /  
 الأوجه المختلفة للأشعة التشخيصية فى تقييم مرض بيرس 
George Magdy Morshed ; Supervised Atef A. Zaki Hanna , Maged Ramsis Wanis 
 - Cairo :   George Magdy Morshed ,   2009 
 - 105 P. :   facsimiles ;   25cm 
<br/><br/>Thesis (M.Sc.) - Cairo University - Faculty of Medicine - Department of Orthopedic Surgery 
<br/><br/> It occurs most commonly in the age range of four to eight years it is more common in boys than in girles by a ratio 5 : 1 . The incidence of bilaterality has been reported as 10 to 20 % . The aetiology of the disease remains unkown although many theories hve been proposed among them are trauma inflammation infection  
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<br/><br/><label>Subjects--Index Terms: </label>Perthes' disease  Radiological  Trauma inflammation infection