Al-Hyali EAS, Othman Y. Multiple linear regression for the estimation of steric effect in cyclic systems from calculation of C-13 chemical shifts and employing parameters derived using DFT method. Int. J. of Health Sci. [Internet]. 2022 Apr. 20 [cited 2026 May 10];6(S4):1630-5. Available from: https://sciencescholar.us/journal/index.php/ijhs/article/view/6314