A study of the early development of mongols
By: by Valerie A. Cowie.
Edition: [1st ed.]
Series: Institute for Research into Mental Retardation. Monograph
Place of publication: Oxford ; New York
Number of pages: 110
Subjects: Down syndrome.
Notes: "An abridged form of a thesis ... University of London ... 1967."                                                            Bibliography: p. 106-108.

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