TY - BOOK AU - Suzan Sefi Allah Ibrahim AU - Ali Ayoub Ali , AU - Fatheya Zahran , AU - Maged Ahmed Elsayed Haroun , TI - Study of the relation recurrent aphthous stomatitis and both serum cortisol and catecolamines levels / PY - 1997/// CY - Cairo : PB - Suzan Sefi Allah Ibrahim , N1 - Thesis (M.Sc.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Periodontology UR - http://172.23.153.220/th.pdf ER -