Al Mehthel، A. A.، و Butcher، D. (2011). Children Immunisation Alone Will Not Substantially Interrupt HBV Transmission in Saudi Arabia and More Robust Prevention and Control Strategies are Needed. Where is the Evidence (رسالة ماجستير غير منشورة). Oxford Brookes University، أكسفورد. مسترجع من http://search.mandumah.com/Record/610128
Al Mehthel، Abd Allah، و Dan Butcher. "Children Immunisation Alone Will Not Substantially Interrupt HBV Transmission in Saudi Arabia and More Robust Prevention and Control Strategies Are Needed. Where Is the Evidence" رسالة ماجستير. Oxford Brookes University، أكسفورد، 2011. مسترجع من http://search.mandumah.com/Record/610128