TY - GEN AU - La Colla,Luca AU - Ben-David,Bruce TI - Quadratus Lumborum Block: Conundrums and Questions SN - 1532-8651 PY - 2017///0321 KW - Abdominal Muscles KW - Muscle, Skeletal KW - Nerve Block N1 - Publication Type: Letter; Comment UR - https://doi.org/10.1097/AAP.0000000000000511 ER -