Randomized Controlled Trial
Low volume and high concentration of local anesthetic is more efficacious than high volume and low concentration in Labat's sciatic nerve block: a prospective, randomized comparison.
Anesth. Analg. 2008 Dec 1;107(6):2085-8.
Randomized Controlled Trial
Randomized study assessing the accuracy of cervical facet joint nerve (medial branch) blocks using different injectate volumes.
Anesthesiology. 2010 Jan 1;112(1):144-52.
Randomized Controlled Trial
Ultrasound-guided axillary brachial plexus block with 20 milliliters local anesthetic mixture versus general anesthesia for upper limb trauma surgery: an observer-blinded, prospective, randomized, controlled trial.
Anesth. Analg. 2009 Jul 1;109(1):279-83.