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Seijmonsbergen-Schermers, Anna E ; Jonge, Ank de ; Akker, Thomas van den... Seijmonsbergen-Schermers, A., De Jonge, A., Van Den Akker, T., Beeckman, K., Bogaerts, A., Barros, M., . & Gross, M. (2018). Variations in childbirth interventions in high-income countries: protocol for a multinational cross-sectional study. BMJ Open, 8(1), e017993..
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