DOI: https://doi.org/10.18597/rcog.1355
DOI: https://doi.org/10.18597/rcog.1358
DOI: https://doi.org/10.18597/rcog.1366
DOI: https://doi.org/10.18597/rcog.1373
DOI: https://doi.org/10.18597/rcog.1376
DOI: https://doi.org/10.18597/rcog.1378