Phytochemical Analysis and Amoebicidal Evaluation of Different Agave Species oleh Ana Laura Rodríguez-Zapata, Jorge Ivan Mora-Frias, Miguel Angel Briano-Elias, Armando Pérez-Centeno, Lucia Barrientos-Ramírez, Ramón Reynoso-Orozco, Mario Nava-Villalba, Araceli Castillo-Romero