DOI: https://doi.org/10.18597/rcog.1289
DOI: https://doi.org/10.18597/rcog.1293
DOI: https://doi.org/10.18597/rcog.1297
DOI: https://doi.org/10.18597/rcog.1300
DOI: https://doi.org/10.18597/rcog.1302
DOI: https://doi.org/10.18597/rcog.1303