Author: Petousis-Harris, Helen; Walls, Tony; Watson, Donna; Paynter, Janine; Graham, Patricia; Turner, Nikki
Title: Safety of Tdap vaccine in pregnant women: an observational study Document date: 2016_4_18
ID: 5ztat9cw_23
Snippet: The size of our sample was based on the number of births in the study regions (28 000 per annum), estimated uptake of pertussis vaccine in pregnancy and the number of women available for follow-up over the study time frame......
Document: The size of our sample was based on the number of births in the study regions (28 000 per annum), estimated uptake of pertussis vaccine in pregnancy and the number of women available for follow-up over the study time frame.
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