LKnative - Posterior femoral cutaneous nerve block 
Selective ultrasound-guided blockade of the posterior femoral cutaneous nerve at the subgluteal level
12 – References
Fritz J, Bizzell C, Kathuria S, Flammang AJ, Williams EH, Belzberg AJ, Carrino JA, Chhabra A: High-resolution magnetic resonance-guided posterior femoral cutaneous nerve blocks. Skeletal Radiol 42: 579-86 (2013)

