(Q44789316)
Statements
1 reference
Participation and Adherence Among Older Men and Women Recruited to the Beta-Carotene and Retinol Efficacy Trial (CARET) (English)
1 reference
M. D. Thornquist
D. L. Patrick
1 October 1991
1 reference
1 reference
31
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5
1 reference
593-597
1 reference
Identifiers
1 reference
1 reference