Arydol – Anestesia Regional y Dolor
Aspuard – Asociacion Peruana de Ultrasonido en Anestesia Regional y Dolor
Asra – American Society of Regional Anesthesia
DHMC – Dartmouth-Hitchcock Medical Center
Ecografia per i blocchi Nervosi Periferici
Esra – European Society of Regional Anesthesia
Gear – Grupo de Estudio dela Anestesia Regional Argentina
Isura – International Society for Ultrasound in Regional Anesthesia
Lasra – Latin American Society of Regional Anesthesia
Neuraxiom – Ultrasound guided Regional Nerve Blocks
Nysora – New York School of Regional Anesthesia
Saesc – Sociedade de Anestesiologia do Estado de Santa Catarina
Sba – Sociedade Brasileira de Anestesiologia
Sono-nerve – Austrian Regional Anesthesia Group
Sua – Society for Ultrasound in Anaesthesia
Usgra – Ultrasound guided Regional Anesthesia
Usgraweb – Ultrasound Guided Regional Anaesthesia Web
Usra – Ultrasound for Regional Anesthesia