DOI: https://doi.org/10.18597/rcog.1399
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DOI: https://doi.org/10.18597/rcog.1415
DOI: https://doi.org/10.18597/rcog.1419
DOI: https://doi.org/10.18597/rcog.1425
DOI: https://doi.org/10.18597/rcog.1431
DOI: https://doi.org/10.18597/rcog.1434
DOI: https://doi.org/10.18597/rcog.1446
DOI: https://doi.org/10.18597/rcog.1451
DOI: https://doi.org/10.18597/rcog.1440