Scott E. Schwartz

Language skills of children and adolescents with Down syndrome: II. Production deficits.

R S Chapman, H. Seung, R. Chapman, 1998, Journal of speech, language, and hearing research : JSLHR.

Predicting language production in children and adolescents with Down syndrome: the role of comprehension.

H. Seung, R. Chapman, S. Schwartz, 2000, Journal of speech, language, and hearing research : JSLHR.

Language skills of children and adolescents with Down syndrome: I. Comprehension.

R S Chapman, R. Chapman, E K Bird, 1991, Journal of speech and hearing research.

Fast mapping of words in event contexts by children with Down syndrome.

R S Chapman, R. Chapman, E K Bird, 1990, The Journal of speech and hearing disorders.