Prommik, Pärt, Helgi Kolk, Pirja Sarap, Egon Puuorg, Eva Harak, Andres Kukner, Mati Pääsuke, and Aare Märtson. 2019. “Estonian Hip Fracture Data from 2009 to 2017: High Rates of Nonoperative Management and High 1-Year Mortality”. Acta Orthopaedica 90 (2):159-64. https://doi.org/10.1080/17453674.2018.1562816.