Anticholinesterase activity evaluation of alkaloids and coumarin from stems of Conchocarpus fontanesianus - Cabral, Rodrigo Sant'ana; Sartori, Maura C; Cordeiro, Ines; Queiroga, Carmem Lúcia; Eberlin, Marcos Nogueira; Lago, João Henrique Ghilardi; Moreno, Paulo Roberto Hrihorowitsch; Young, Maria Claudia Marx (Revista Brasileira de Farmacognosia, 2012)