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
Plantar flexion seems more reliable than dorsiflexion with Labat's sciatic nerve block: a prospective, randomized comparison.
Anesth. Analg. 2005 Jan 1;100(1):250-4.
Randomized Controlled Trial
Sciatic nerve block via posterior Labat approach is more efficient than lateral popliteal approach using a double-injection technique: a prospective, randomized comparison.
Anesthesiology. 2004 Jul 1;101(1):138-42.