DOI: https://doi.org/10.18597/rcog.1473
DOI: https://doi.org/10.18597/rcog.1476
DOI: https://doi.org/10.18597/rcog.1480
DOI: https://doi.org/10.18597/rcog.1482
DOI: https://doi.org/10.18597/rcog.1485
DOI: https://doi.org/10.18597/rcog.1486
DOI: https://doi.org/10.18597/rcog.1490
DOI: https://doi.org/10.18597/rcog.1491
DOI: https://doi.org/10.18597/rcog.1492