The purpose of this site is to: Advocate the use of cholecalciferol-vitamin D3- in an appropriate dose as a necessary part of bone health, calcium regulation and immune modulation. Provide an acceptable and reliable substitute to sun exposure.
Mitral regurgitation is a condition in which the heart's mitral valve doesn't close properly, causing blood to leak and putting strain on the heart. Mitral regurgitation is a condition in which the heart's mitral valve doesn't close properly, causing blood to leak and putting strain on the heart.
recitation (plural recitations) 1  The act of publicly reciting something previously memorized. 2  The material recited. 3  A regularly scheduled class, in a school, in which discussion occurs of the material covered in a parallel lecture.