DOI: https://doi.org/10.18597/rcog.651
DOI: https://doi.org/10.18597/rcog.653
DOI: https://doi.org/10.18597/rcog.654
DOI: https://doi.org/10.18597/rcog.655
DOI: https://doi.org/10.18597/rcog.656
DOI: https://doi.org/10.18597/rcog.657