TY - JOUR T1 - Ethnic ancestry and smoking, farming of wine grapes in semiarid regions, and the potentials of Manihot multifida in medicine use JO - Anais da Academia Brasileira de Ciências A1 - Kellner, Alexander W.A. SN - 0001-3765 UL - 10.1590/0001-37652015871 VL - 87 Y1 - 2015 PB - Brazil ER -