DOI:
10.1055/s-00030576
Revista Brasileira de Ginecologia e Obstetrícia / RBGO Gynecology and Obstetrics
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References
World Bank.
PPP Conversion Factor, GDP (LCU per International $).
2016
http://data.worldbank.org/indicator/PA.NUS.PPP . Accessed May 3, 2017.
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