Thoracic Epidural Analgesia or Four-Quadrant Transversus Abdominus Plane Block in Reducing Pain in Patients Undergoing Liver Surgery
M.D. Anderson Cancer Center
M.D. Anderson Cancer Center
Pfizer
National Cancer Center Hospital East
Centre Francois Baclesse
Pfizer
Imunon
University Hospital, Antwerp
Sumitomo Pharma America, Inc.
Sumitomo Pharma America, Inc.
Celgene
University Hospital, Bordeaux
Abbott