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AHMAD FK
SHERMAN SJ
HAGGLUND KH
JOHNSON MP
KRIVCHENIA E
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Authors:
KRIVCHENIA E
HUETHER CA
EDMONDS LD
MAY DS
GUCKENBERGER S
Citation: E. Krivchenia et al., COMPARATIVE EPIDEMIOLOGY OF DOWN-SYNDROME IN 2 UNITED-STATES POPULATIONS, 1970-1989, American journal of epidemiology, 137(8), 1993, pp. 815-828