DOI: https://doi.org/10.18597/rcog.1779
DOI: https://doi.org/10.18597/rcog.1783
DOI: https://doi.org/10.18597/rcog.1790
DOI: https://doi.org/10.18597/rcog.1792
DOI: https://doi.org/10.18597/rcog.1793
DOI: https://doi.org/10.18597/rcog.1794
DOI: https://doi.org/10.18597/rcog.1796
DOI: https://doi.org/10.18597/rcog.1797