TY - BOOK AU - Ehab Elsayed Hassanein AU - Ragaa M. Abdelwahab, AU - Salma Hassan Elashry , TI - Immunohistochemical identification of lymphocytes present in human periapical lesions after root canal treatment using different irrigating solutions / PY - 1996/// CY - Cairo : PB - Ehab Elsayed Hassanein , N1 - Thesis (Ph.D.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Endodontics ER -