It contains microspheres (tiny bubbles) of heat-treated human albumin containing perflutren gas as the active substance.
Contiene microesferas (pequeñas burbujas) de albúmina humana tratada con calor que contienen como principio activo gas perflutrén.
Translate the following text into Spanish:
"It contains microspheres (tiny bubbles) of heat-treated human albumin containing perflutren gas as the active substance."
Contiene microesferas (pequeñas burbujas) de albúmina humana tratada con calor que contienen como principio activo gas perflutrén.