DOI: https://doi.org/10.18597/rcog.2424
DOI: https://doi.org/10.18597/rcog.2435
DOI: https://doi.org/10.18597/rcog.2438
DOI: https://doi.org/10.18597/rcog.2443
DOI: https://doi.org/10.18597/rcog.2445
DOI: https://doi.org/10.18597/rcog.2448
DOI: https://doi.org/10.18597/rcog.2449