Plassman, B. L., Steffens, D. C., Burke, J. R., Welsh-Bohmer, K. A., Helms, M. J., & Breitner, J. C. (2004). P4-137 Alzheimer's disease in the NAS-NRC twin registry of WWII veterans. In Neurobiology of Aging (Vol. 25, pp. S514–S514). Elsevier BV. https://doi.org/10.1016/s0197-4580(04)81695-6

Plassman, Brenda L., David C. Steffens, James R. Burke, Kathleen A. Welsh-Bohmer, Michael J. Helms, and John C. Breitner. “P4-137 Alzheimer's disease in the NAS-NRC twin registry of WWII veterans.” In Neurobiology of Aging, 25:S514–S514. Elsevier BV, 2004. https://doi.org/10.1016/s0197-4580(04)81695-6.

Plassman BL, Steffens DC, Burke JR, Welsh-Bohmer KA, Helms MJ, Breitner JC. P4-137 Alzheimer's disease in the NAS-NRC twin registry of WWII veterans. In: Neurobiology of Aging. Elsevier BV; 2004. p. S514–S514.

Plassman, Brenda L., et al. “P4-137 Alzheimer's disease in the NAS-NRC twin registry of WWII veterans.” Neurobiology of Aging, vol. 25, Elsevier BV, 2004, pp. S514–S514. Crossref, doi:10.1016/s0197-4580(04)81695-6.

Plassman BL, Steffens DC, Burke JR, Welsh-Bohmer KA, Helms MJ, Breitner JC. P4-137 Alzheimer's disease in the NAS-NRC twin registry of WWII veterans. Neurobiology of Aging. Elsevier BV; 2004. p. S514–S514.