DOI: https://doi.org/10.18597/rcog.1688
DOI: https://doi.org/10.18597/rcog.1691
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DOI: https://doi.org/10.18597/rcog.1697
DOI: https://doi.org/10.18597/rcog.1699
DOI: https://doi.org/10.18597/rcog.1702
DOI: https://doi.org/10.18597/rcog.1705
DOI: https://doi.org/10.18597/rcog.1711
DOI: https://doi.org/10.18597/rcog.1715
DOI: https://doi.org/10.18597/rcog.1718
DOI: https://doi.org/10.18597/rcog.1723