Malondialdehyde Serum Levels in Patients with Systemic Sclerosis Relate to Dyslipidemia and Low Ventricular Ejection Fraction oleh Zeina Ibrahim-Achi, Pablo Jorge-Pérez, Pedro Abreu-González, Raquel López-Mejías, Candelaria Martín-González, Miguel Á. González-Gay, Iván Ferraz-Amaro