Expenditures of medicine use in hypertensive/diabetic elderly and physical activity and engagement in walking: cross secctional analysis of SABE Survey - Bueno, Denise Rodrigues; Marucci, Maria de Fátima Nunes; Gobbo, Luis Alberto; Almeida-Roediger, Manuela de; Duarte, Yeda Aparecida de Oliveira; Lebrão, Maria Lucia (BMC geriatrics, 2017)