Ultrasound-guided single-penetration dual-injection block for leg and foot surgery: a prospective, randomized, double-blind study

Jens Dupont Børglum Neimann, Karina Glies Vincents Johansen, Karen Margrethe Christensen, Katja Lenz, Thomas Fichtner Bendtsen, Katrine Tanggaard, Anders F Christensen, Bernhard Moriggl, Kenneth Jensen