Protocol of a multi-centre randomized controlled trial to compare pericapsular nerve group block, fascia-iliaca compartment block and femoral nerve block for pain management in patients with a hip fracture in the emergency department (CPFF-ED) - Jurian Dolstra; Svenja L. Haak; E. Christiaan Boerma; Heleen Lameijer; Ewoud Ter Avest (PLoS ONE, 2026)