Contextual and individual inequalities of multimorbidity in Brazilian adults: a cross-sectional national-based study - Nunes, Bruno P; Chiavegatto Filho, Alexandre Dias Porto; Pati, Sanghamitra; Teixeira, Doralice S Cruz; Flores, Thaynã R; Camargo-Figuera, Fabio A; Munhoz, Tiago N; Thumé, Elaine; Facchini, Luiz A; Batista, Sandro R Rodrigues (BMJ open, 2017)