Arif, T., Sadia Rizwan, Imtiaz Ahmed and Waqas Ahmed Farooqui 2024. The relationship of anterior occlusion and skeletal variables with the frontal sinus index: an analytical cross-sectional study. Journal of the Pakistan Medical Association. 74, 7 (Jun. 2024), 1224–1228. DOI:https://doi.org/10.47391/JPMA.6679.