TY - SER AU - Cardoso,J.C. AU - Oliveira,M.E.B.S.de AU - Cardoso,F.de C.I. TI - Advances and challenges on the in vitro production of secondary metabolites from medicinal plants KW - PLANTA MEDICINAL KW - CULTURA DE TECIDO KW - TECNOLOGIA UR - http://www.scielo.br/pdf/hb/v37n2/1806-9991-hb-37-02-124.pdf ER -