TY - BOOK AU - Abdel Azim,Hanan Hassanien AU - Atiaa,Atef Alshahat AU - Abo-Aleneen,Ayman TI - The effect of beta-caroten in the management of recurrent minor aphthous ulceration: (clinical evaluation) U1 - 617.632 21 PY - 2010/// KW - periodontology KW - oral medicine N1 - Supervisors : Atef Alshahat Atiaa, Ayman Abo-Aleneen; Thesis (M.Sc)-Cairo University, Faculty of Oral and Dental Medicine, 2010; Includes bibliographical references ER -