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3. Time-delay discrimination training: replication with different stimuli and different populations. Smeets PM, Striefel S, Hoogeveen FR. Res Dev Disabil; 1990; 11(2):217-40. PubMed ID: 2374839 [Abstract] [Full Text] [Related]
15. The role of number and length cues in children's quantitative judgments. Lawson G, Baron J, Siegel L. Child Dev; 1974 Sep; 45(3):731-6. PubMed ID: 4143828 [No Abstract] [Full Text] [Related]
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