Ultrasound-Guided Femoral Nerve Block in Geriatric Patients with Hip Fracture in the Emergency Department

Tou Yuan Tsai, Cheong Kar Mun, Yung Cheng Su, Ming Chieh Shih, Su Weng Chau, Mei Wen Chen, Chien Ting Chen, Yi Kung Lee, Jen Tang Sun, Kuan Fu Chen, Kuo Chih Chen, Eric H. Chou