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. 1973 Sep;7(3):163-8.
doi: 10.3109/00048677309159740.

A study of aetiological factors at critical periods of development in autistic children

S Williams, J Harper

A study of aetiological factors at critical periods of development in autistic children

S Williams et al. Aust N Z J Psychiatry. 1973 Sep.
No abstract available

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