Research article
WHO systematic review of maternal mortality and morbidity: methodological issues and challenges
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* Corresponding author: A Metin Gülmezoglu gulmezoglum@who.int
UNDP/UNFPA/WHO/World Bank Special Programme of Research, Development and Research Training in Human Reproduction, Department of Reproductive Health and Research, World Health Organization, Geneva, (1211) Switzerland
BMC Medical Research Methodology 2004, 4:16 doi:10.1186/1471-2288-4-16
Published: 5 July 2004Additional files
Additional File 1:
Data-extraction forms used in the systematic review.
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Additional File 2:
Final search strategy for each of the searched electronic databases.
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Additional File 3:
ICD-10 codes and those used in the systematic review for maternal mortality and morbidity conditions.
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