Lovell, M. ., Robertson, J. ., Buchholz, B. ., Xie, C. ., & Markesbery, W. . (1969). Use of bomb pulse carbon-14 to age senile plaques and neurofibrillary tangles in Alzheimer’s disease. Neurobiology of Aging, 23(2), 179-86. https://doi.org/10.1016/s0197-4580(01)00281-0 (Original work published 1969)