DOI: https://doi.org/10.18597/rcog.1454
DOI: https://doi.org/10.18597/rcog.1457
DOI: https://doi.org/10.18597/rcog.1460
DOI: https://doi.org/10.18597/rcog.1463
DOI: https://doi.org/10.18597/rcog.1466
DOI: https://doi.org/10.18597/rcog.1469
DOI: https://doi.org/10.18597/rcog.1470
DOI: https://doi.org/10.18597/rcog.1478
DOI: https://doi.org/10.18597/rcog.1487
DOI: https://doi.org/10.18597/rcog.1493