DOI: https://doi.org/10.18597/rcog.952
DOI: https://doi.org/10.18597/rcog.953
DOI: https://doi.org/10.18597/rcog.954
DOI: https://doi.org/10.18597/rcog.955
DOI: https://doi.org/10.18597/rcog.957
DOI: https://doi.org/10.18597/rcog.959
DOI: https://doi.org/10.18597/rcog.960