RT Journal Article SR Electronic T1 Evaluation of sensory loss obtained by modified-thoracoabdominal nerves block through perichondrial approach in patients undergoing gynecological laparoscopic surgery: a prospective observational study JF Regional Anesthesia & Pain Medicine JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP rapm-2021-102870 DO 10.1136/rapm-2021-102870 A1 Aikawa, Katsuhiro A1 Yokota, Isao A1 Maeda, Yosuke A1 Morimoto, Yuji YR 2021 UL http://rapm.bmj.com/content/early/2021/07/18/rapm-2021-102870.abstract AB