DOI: https://doi.org/10.18597/rcog.2314
DOI: https://doi.org/10.18597/rcog.2316
DOI: https://doi.org/10.18597/rcog.2318
DOI: https://doi.org/10.18597/rcog.2321
DOI: https://doi.org/10.18597/rcog.2325
DOI: https://doi.org/10.18597/rcog.2326