Hellinga, J. et al. 2021. Lotus petal flap and vertical rectus abdominis myocutaneous flap in vulvoperineal reconstruction: a systematic review of differences in complications. Journal of Plastic Surgery and Hand Surgery. 55, 2 (Apr. 2021), 67–82. DOI:https://doi.org/10.1080/2000656X.2020.1828902.