Histomorphometric and Histologic Evaluation of Nano-HA with and without PRGF in Bilateral Sinus Lift Augmentation: A Randomized Clinical Trial Journal title: Journal of Research in Medical and Dental Science Authors: Mansour Meimandi, Anahita Ashouri Moghaddam, Gholam Ali Gholami, Fatemeh Mashadi Abbass, Mostafa So... Subject(s): Dentistry, Oral Surgery & Medicine