--> keys <-- idfactura_detalle : 14955||idfactura : 5619||--> fields <-- descripcion (new)  : Rollos p/ electro cardiograma||cantidad (new)  : 4||precio_unitario (new)  : 330.57||subtotal (new)  : 1322.31||porcentaje_iva (new)  : 0.210||iva (new)  : 277.68||porcentaje_iibb (new)  : 0||iibb (new)  : 0||total (new)  : 1599.99||art_id (new)  : ||ctacte (new)  : 