DOI: https://doi.org/10.18597/rcog.459
DOI: https://doi.org/10.18597/rcog.460
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DOI: https://doi.org/10.18597/rcog.462
DOI: https://doi.org/10.18597/rcog.463
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DOI: https://doi.org/10.18597/rcog.466
DOI: https://doi.org/10.18597/rcog.468
DOI: https://doi.org/10.18597/rcog.469
DOI: https://doi.org/10.18597/rcog.471