Charlton, Shona Perioperative transversus abdominis plane (TAP) blocks for analgesia after abdominal surgery. [electronic resource] - The Cochrane database of systematic reviews Dec 2010 - CD007705 p. digital Publication Type: Journal Article; Meta-Analysis; Review; Systematic Review ISSN: 1469-493X Standard No.: 10.1002/14651858.CD007705.pub2 doi Subjects--Topical Terms: Abdomen--surgeryAbdominal Muscles--innervationAnalgesics, Opioid--administration & dosageHumansLaparoscopyLaparotomyMorphine--administration & dosageNerve Block--methodsPain, Postoperative--therapyRandomized Controlled Trials as Topic