title: Hourglass-pattern recognition simplifies fascia iliaca compartment block.
authors: Harsimran
authors: H
authors: Singh
authors: David
authors: D
authors: Jones
mesh_terms: D019644:Arthroplasty, Replacement, Hip; D005260:Female; D006801:Humans; D008297:Male; D009407:Nerve Block / Q000379:methods*; D010149:Postoperative Pain / Q000517:prevention & control*