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A cohort of first-generation Asian immigrants who received a diagnosis of a functional psychosis at the Bethlem Royal and Maudsley Hospitals were compared with an English-born control group. The Asians were found to have spent a lower total percentage of time in the two hospitals, had fewer in-patient admissions per year, and had a shorter average duration of stay in hospital than the matched controls.
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Sunjai Gupta (1991) studied this question.
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