DOI: https://doi.org/10.18597/rcog.2654
DOI: https://doi.org/10.18597/rcog.2656
DOI: https://doi.org/10.18597/rcog.2657
DOI: https://doi.org/10.18597/rcog.2989
DOI: https://doi.org/10.18597/rcog.2658
DOI: https://doi.org/10.18597/rcog.2659
DOI: https://doi.org/10.18597/rcog.2660