DOI: https://doi.org/10.18597/rcog.3531
DOI: https://doi.org/10.18597/rcog.3327
DOI: https://doi.org/10.18597/rcog.3370
DOI: https://doi.org/10.18597/rcog.3317
DOI: https://doi.org/10.18597/rcog.3364
DOI: https://doi.org/10.18597/rcog.3331