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Jackson H, Engelman M.Jackson H, et al. Among authors: engelman m.J Gerontol A Biol Sci Med Sci. 2022 Feb 3;77(2):392-401. doi: 10.1093/gerona/glab181.J Gerontol A Biol Sci Med Sci. 2022.PMID: 34165517Free PMC article.
Engelman M, Jackson H.Engelman M, et al.Demography. 2019 Dec;56(6):2323-2347. doi: 10.1007/s13524-019-00826-x.Demography. 2019.PMID: 31713126Free PMC article.
Engelman M, Ye LZ.Engelman M, et al.Adv Med Sociol. 2019;19:147-171. doi: 10.1108/S1057-629020190000019008.Adv Med Sociol. 2019.PMID: 31057317Free PMC article.