Left ventricular function (LVEF) in patients with obstructive sleep apnea syndrome (OSAS) and massive obesity JP Laaban, D. Cassuto, S. Pascal, E. Orvoën-Frija, A. Basdevant and B. Guy-Grand Reprod. Nutr. Dev., 35 5 (1995) 597-598 DOI: 10.1051/rnd:19950529