Naqvi A, Mishra G, Shahi S, Shakarwal P, Singh A, Singh R.
Comparison between Platelet-rich Fibrin and Saline Filling after Sinus Elevation without Adjunctive Bone Graft in Dental Implants Insertion Using CBCT. 
J Contemp Dent Pract
2023;
24
(1):9-15.