Solis, J.; Levine, R.A.; Johnson, B.; Guerrero, J.L.; Handschumacher, M.D.; Sullivan, S.; Lam. K.; Berlin, J.; Braithwaite, G.J.; Muratoglu, O.K.; Vlahakes, G.J.; Hung, J.; “Polymer injection therapy to reverse remodel the papillary muscles: efficacy in reducing mitral regurgitation in a chronic ischemic model,” Circulation, Cardiovascular Interventions 2010, 3(5) 499-505 https://www.ncbi.nlm.nih.gov/pubmed/20736444