Metformin pre-conditioning enhances the angiogenic ability of the secretome of dental pulp stem cells oleh Nezar Boreak, Noor Mohammed Abu Khayrat, Ahmed Omar Shami, Haitham Jameel Mohammed Zaylaee, Aeshah Ali Hanbashi, Sara Abdulhamed Souri, Hala Mohammed Otayf, Rafif Essam Bakri, Mohammad Eissa Mansoor Ajeely, Alwaleed Essam Hassan Bakri, Mohammed Abdurabu Jafer, A. Thirumal Raj, Hosam Ali Baeshen, Shankargouda Patil