Concordance for cognitive impairment: A study of 50 community-dwelling elderly female-female twin pairs☆☆☆
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☆ Address reprint requests to Yoram Barak, M.D., Director-Psychogeriatric Department, Abarbanel M.H.C. 15 Keren Kayemet Blv, Bat Yam, 59100 Israel.
☆☆ 0010-440X/03/4402-0006$30.00/0
PII: S0010-440X(03)00039-7
doi:10.1053/comp.2003.50019
© 2003 Published by Elsevier Inc.
