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Thomas et al., forthcoming 2000
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Randomly sampled 15,000 nonpsychiatric 1992 discharges from a representative sample of hospitals in Utah and Colorado.
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Chart review by trained nurses and board-certified family practitioners and internists.
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Bhasale et al., 1998 Analysing potential harm in Australian general practice
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A non-random sample of 324 general practitioners reporting incidents between October 1993 and June 1995.
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General practitioner-reported free-text descriptions of incidents and answered fixed-response questions.
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