Impacts of bariatric surgery in health outcomes and health care costs in Brazil: interrupted time series analysis of multi-panel data - Turri, José Antonio Orellana; Anokye, Nana Kwame; Santos, Lionai Lima dos; Soares Júnior, José Maria; Baracat, Edmund Chada; Santo, Marco Aurélio; Sarti, Flávia Mori (BMC Health Services Research, 2022)