DOI: https://doi.org/10.18597/rcog.1529
DOI: https://doi.org/10.18597/rcog.1537
DOI: https://doi.org/10.18597/rcog.1542
DOI: https://doi.org/10.18597/rcog.1546
DOI: https://doi.org/10.18597/rcog.1554
DOI: https://doi.org/10.18597/rcog.1560
DOI: https://doi.org/10.18597/rcog.1564
DOI: https://doi.org/10.18597/rcog.1568
DOI: https://doi.org/10.18597/rcog.1570
DOI: https://doi.org/10.18597/rcog.1576
DOI: https://doi.org/10.18597/rcog.1585