%0 Letter %T Causal associations between body mass index and perianal abscess: Evidence from Mendelian randomization study. %A Wu X %A Yin L %J Asian J Surg %V 0 %N 0 %D 2024 Jul 12 %M 38997923 %F 2.808 %R 10.1016/j.asjsur.2024.06.031