Situmeang, R. F., Wahjoepramono, E. J., Kaelan, C., Purba, J. S., Suhadi, B., As’ad, S., Aliah, A., Patellongi, I. J. and Wahid, S. (2016) “Genetic risk factor APOEε4 associates with plasma amyloid beta in amnestic mild cognitive impairment and alzheimer’s disease”, Medical Journal of Indonesia, 25(1), pp. 44-50. doi: 10.13181/mji.v25i1.1255.