Cross-sectional analysis of 180,595 lower limb amputations in the state of Sao Paulo over 12 years - Biagioni, Rodrigo Bruno; Louzada, Andressa Cristina Sposato; Biagioni, Luiza Ciucci; Silva, Marcelo Fiorelli Alexandrino da; Teivelis, Marcelo Passos; Wolosker, Nelson (World journal of surgery, 2022)