DOI: https://doi.org/10.18597/rcog.1443
DOI: https://doi.org/10.18597/rcog.1445
DOI: https://doi.org/10.18597/rcog.1448
DOI: https://doi.org/10.18597/rcog.1450
DOI: https://doi.org/10.18597/rcog.1453
DOI: https://doi.org/10.18597/rcog.1456
DOI: https://doi.org/10.18597/rcog.1458
DOI: https://doi.org/10.18597/rcog.1462