Pregnancy exposure registries for drugs and vaccines in low-income and middle-income countries: scoping review protocol.
BMJ open(2023)
摘要
Ethical approval is not required for this activity, as it was determined not to involve human subjects research. Findings will be submitted to an open access peer-reviewed journal and may be presented at conferences, with underlying data and other materials made publicly available.
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关键词
vaccines,pregnancy,countries,low-income,middle-income
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