| Literature DB >> 5730946 |
J W Douglas, A Lawson, J E Cooper, E Cooper.
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Year: 1968 PMID: 5730946 DOI: 10.1111/j.1469-7610.1968.tb02220.x
Source DB: PubMed Journal: J Child Psychol Psychiatry ISSN: 0021-9630 Impact factor: 8.982