DOI: https://doi.org/10.18597/rcog.624
DOI: https://doi.org/10.18597/rcog.625
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DOI: https://doi.org/10.18597/rcog.629
DOI: https://doi.org/10.18597/rcog.633
DOI: https://doi.org/10.18597/rcog.634
DOI: https://doi.org/10.18597/rcog.635