DOI: https://doi.org/10.18597/rcog.2328
DOI: https://doi.org/10.18597/rcog.2331
DOI: https://doi.org/10.18597/rcog.2334
DOI: https://doi.org/10.18597/rcog.2336
DOI: https://doi.org/10.18597/rcog.2337
DOI: https://doi.org/10.18597/rcog.2339
DOI: https://doi.org/10.18597/rcog.2341
DOI: https://doi.org/10.18597/rcog.2342