DOI: https://doi.org/10.18597/rcog.1362
DOI: https://doi.org/10.18597/rcog.1365
DOI: https://doi.org/10.18597/rcog.1367
DOI: https://doi.org/10.18597/rcog.1368
DOI: https://doi.org/10.18597/rcog.1369
DOI: https://doi.org/10.18597/rcog.1371