Reference item 35 cites the incorrect version of WHO guidance. The correct reference is: Initiative for Vaccine Research. WHO guide for standardization of economic evaluations of immunization programmes [Internet]. WHO; 2019 [cited 2021 Jan 15]. Available from: https://apps.who.int/iris/bitstream/handle/10665/329389/WHO-IVB-19.10-eng.pdf.
Reference
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