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Electrocution, drowning, and burns

only have to have occurred-they would have to have done so pari passu with the intensity of treatment. The likelihood of a systematic imbalance of this kind is somewhat remote. In addition, there is no evidence that it happened. Apart from the characteristics described in table I of our paper, the mean scores at entry for depression in the Middlesex Hospital questionnaire were 4-0, 3-3, and 4 5 for groups 1, 2, and 3 respectively. Corresponding figures for mental test scores (Modified Tooting Bec questionnaire) were 12 9, 13-7, and 12-5.