DOI: https://doi.org/10.18597/rcog.621
DOI: https://doi.org/10.18597/rcog.622
DOI: https://doi.org/10.18597/rcog.623
DOI: https://doi.org/10.18597/rcog.626
DOI: https://doi.org/10.18597/rcog.628
DOI: https://doi.org/10.18597/rcog.630
DOI: https://doi.org/10.18597/rcog.631
DOI: https://doi.org/10.18597/rcog.632