TY - BOOK AU - Kenawi,Laila Mohammad Mohammad AU - Ezat,Khaled Moahmmad AU - Mohammad,Nashwa Salah AU - Eid,Ghada El Helaly Mohammad TI - Healing of chronic apical lesions using hyaluronan versus conventional and surgical treatment: a comparative study in-vivo U1 - 617.6342 21 PY - 2009/// KW - Endodontics N1 - Supervisors : Khaled Moahmmad Ezat, Nashwa Salah Mohammad, Ghada El Helaly Mohammad Eid; Thesis (M. Sc.)-Cairo University, Faculty of Oral and Dental Medicine, 2009; Includes bibliographical references ER -