DOI: https://doi.org/10.18597/rcog.1334
DOI: https://doi.org/10.18597/rcog.1331
DOI: https://doi.org/10.18597/rcog.1339
DOI: https://doi.org/10.18597/rcog.1343
DOI: https://doi.org/10.18597/rcog.1348
DOI: https://doi.org/10.18597/rcog.1390
DOI: https://doi.org/10.18597/rcog.1393
DOI: https://doi.org/10.18597/rcog.1397