Bhat, T. A.; Ali, Z.; Gulzar, A.; Mirza, F. Cementless Bipolar Hemiarthroplasty for Displaced Fracture Neck of Femur With Modular Hydroxyapatite Coated Stem in Elderly With Cardiopulmonary Co-Morbidities. Int J Res Med Sci 2017, 5, 1862-1868.