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2. Maternal ‘near-miss’ reports?;Drife;BMJ,1993
3. ‘Near-miss’ obstetric inquiry;Bewley;Journal of Obstetrics and Gynaecology,1997
4. Special Report on Maternal Mortality and Severe Morbidity in Canada,2004
5. Maternal mortality – is it still relevant?;Harmer;Anaesthesia,1997