DOI: https://doi.org/10.18597/rcog.2239
DOI: https://doi.org/10.18597/rcog.2241
DOI: https://doi.org/10.18597/rcog.2243
DOI: https://doi.org/10.18597/rcog.2244
DOI: https://doi.org/10.18597/rcog.2247
DOI: https://doi.org/10.18597/rcog.2248