DOI: https://doi.org/10.18597/rcog.1080
DOI: https://doi.org/10.18597/rcog.1088
DOI: https://doi.org/10.18597/rcog.1090
DOI: https://doi.org/10.18597/rcog.1091
DOI: https://doi.org/10.18597/rcog.1098