title: Ultrasound-assisted spinal anesthesia in obese patients.
authors.forename: Dermot
authors.initials: D
authors.lastname: O'Donnell
authors.forename: Arun
authors.initials: A
authors.lastname: Prasad
authors.forename: Anahi
authors.initials: A
authors.lastname: Perlas
mesh_terms: D000368:Aged; D000775:Anesthesia, Spinal / Q000379:methods*; D019644:Arthroplasty, Replacement, Hip / Q000379:methods*; D006801:Humans; D008297:Male; D009765:Obesity / Q000150:complications*; D018084:Ultrasonography, Interventional / Q000379:methods*