khetresh، M. M. (2016). Acase Control Study on Risk Factors Associated with Preterm Births Amongest Libyan Women in Zawia City- Libya. المجلة الجامعة، مج18, ع2 ، 19 - 45. مسترجع من http://search.mandumah.com/Record/1263601
khetresh، Mufida M. "Acase Control Study On Risk Factors Associated With Preterm Births Amongest Libyan Women in Zawia City- Libya." المجلة الجامعة مج18, ع2 (2016): 19 - 45. مسترجع من http://search.mandumah.com/Record/1263601