1. Comparison of 4 sinus augmentation techniques for implant placement with residual alveolar bone height ⩽3 mm. Issue 46 (13th November 2020) Authors: Tsai, Chia-Fang; Pan, Whei-Lin; Pan, Yi-Ping; Chan, Chiu-Po; Ju, Yuh-Ren; Wang, Yuan-Min; Lin, Cho-Ying; Chang, Chi-Ching Other Names: Zheng. Li Wu section editor. Journal: Medicine Issue: Volume 99:Issue 46(2020) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗