Functional Outcome of Primary Cemented Hemiarthroplasty for Comminuted Unstable Pertrochanteric Femoral Fractures (AO/OTA Type 31 A2.3) in Elderly Osteoporotic Patients Journal title: INTERNATIONAL JOURNAL OF SCIENTIFIC STUDY Authors: SA Mustafa, Johney Juneja, Gurdeep Singh, Rishi Gupta Subject(s):