DOI: https://doi.org/10.18597/rcog.2069
DOI: https://doi.org/10.18597/rcog.2072
DOI: https://doi.org/10.18597/rcog.2081
DOI: https://doi.org/10.18597/rcog.2082
DOI: https://doi.org/10.18597/rcog.2083
DOI: https://doi.org/10.18597/rcog.2085
DOI: https://doi.org/10.18597/rcog.2087