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APA Citation
Vieira, C., Sousa, N., Teixeira, N., & Reis, I. (2019). thierry's spatulas: A greater risk factor for obstetric anal sphincter injuries (OASIS)?. European journal of obstetrics, gynecology, and reproductive biology, 234, e89–e90. http://access.bl.uk/ark:/81055/vdc_100084044746.0x000021