Wulansari, D., 		Epsilawati, L., 		Pramanik, F., & 		Sitam, S.
2021 Aug 31.  The value of Mental Index (MI) and Gonial Index (GI) in hypertension patients on its correlation with serum calcium and cortisol level. Jurnal Radiologi Dentomaksilofasial Indonesia (JRDI). [Online] 5:2