DOI: https://doi.org/10.18597/rcog.1310
DOI: https://doi.org/10.18597/rcog.1313
DOI: https://doi.org/10.18597/rcog.1316
DOI: https://doi.org/10.18597/rcog.1318
DOI: https://doi.org/10.18597/rcog.1319
DOI: https://doi.org/10.18597/rcog.1325
DOI: https://doi.org/10.18597/rcog.1328