DOI: https://doi.org/10.18597/rcog.2109
DOI: https://doi.org/10.18597/rcog.2110
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DOI: https://doi.org/10.18597/rcog.2112
DOI: https://doi.org/10.18597/rcog.2114
DOI: https://doi.org/10.18597/rcog.2116
DOI: https://doi.org/10.18597/rcog.2118