British Journal of Anaesthesia 2019: e397-e411 Tolska K, Hamunen K, Takala A and Kontinen VK.
Pectoral Nerve Block 1 Versus Modified Pectoral Nerve Block 2 for Postoperative Pain Relief in Patients Undergoing Modified Radical Mastectomy: a Randomized Clinical Trial
Goswami S, Kundra P and Bhattacharyya J. British Journal of Anaesthesia 2017; 119 (4): 830-83. https://doi.org/10.1093/bja/aex201
Pectoral I Block Does Not Improve Postoperative Analgesia After Breast Cancer Surgery A Randomized, Double-Blind, Dual-Centered Controlled Trial
Cros J, Sengès P, Kaprelian S et al. Regional Anesthesia and Pain Medicine 2018; 43 (6): 596-604
Evidence-Based Management of Pain after Laparoscopic Cholecystectomy: a PROSPECT Review Update
Barazanchi AWH, MacFater WS, Rahiri JL et al. British Journal of Anaesthesia 2018; 121 (4): 787-803
Preoperative Brachial Plexus Block Compared with an Identical Block Performed at the End of Surgery.
Holmberg A, Sauter AR, Klaastad Ø et al. Anaesthesia 2017; 72: 967-977. http://onlinelibrary.wiley.com/doi/10.1111/anae.13939/full