A study on the protective effect of immunization against some cariogenic microflora - Hisham Yehia Elbatawi; Mohammad Saied Elgridly; Nawal Ahmad Soliman; Samira Abdulbaki Shoaib (Cairo : Hisham Yehia Elbatawi, 1995)
Thesis (Ph.D.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Pedodontics