EN: We brought with ourselves a positive control, that was a can of corn from the US that we knew was transgenic and we were looking for a negative control and we thought the best negative control is going to be corn from the local places,
ES: Llevamos con nosotros un "Control Positivo" que era un lata de maíz de los EE.UU. que sabíamos era transgénico y buscábamos un "Control Negativo"