Calcium and vitamin D supplementation impact on survival in patients with moderate concomitant aortic and mitral valve disease

Andrew Gaballa, Adel Hajj Ali, Joseph El Dahdah, Zoran Popovic, Tom K. Wang, Grant Reed, Leonardo Rodriguez, Brian Griffin, A. Marc Gillinov, Samir R. Kapadia, Lars G. Svensson, Milind Y. Desai