DOI: https://doi.org/10.18597/rcog.1746
DOI: https://doi.org/10.18597/rcog.1750
DOI: https://doi.org/10.18597/rcog.1753
DOI: https://doi.org/10.18597/rcog.1756
DOI: https://doi.org/10.18597/rcog.1762
DOI: https://doi.org/10.18597/rcog.1768
DOI: https://doi.org/10.18597/rcog.1771
DOI: https://doi.org/10.18597/rcog.1776