TY - JOUR T1 - What is the role of exotic medicinal plants in local medical systems? A study from the perspective of utilitarian redundancy JO - Revista Brasileira de Farmacognosia A1 - Alencar, Nélson Leal A1 - Santoro, Flávia Rosa A1 - Albuquerque, Ulysses Paulino SN - 0102-695X UL - 10.1016/j.bjp.2014.09.003 VL - 24 Y1 - 2014 PB - Brasil ER -