Sharma, R., A. Bhochhibhoya, B. Acharya, and S. B. Rana. “Clinical Evaluation of Residual Ridge Morphology of Maxillary Arch in Relation to Ageing and Length of Edentulism”. Journal of College of Medical Sciences-Nepal, vol. 15, no. 4, Dec. 2019, pp. 230-4, doi:10.3126/jcmsn.v15i4.26199.