Ex vivo acidic preconditioning enhances bone marrow ckit+ cell therapeutic potential via increased CXCR4 expression. Eur Heart J 1 Settembre Set 2011 15 years ago Cencioni C, Melchionna R, Straino S, Romani M, Cappuzzello C, Annese V, Wu JC, Pompilio G, Santoni A, Gaetano C, Napolitano M, Capogrossi MC http://www.ncbi.nlm.nih.gov/pubmed/21784762