Role of Mechanical Forces on Beta-Catenin of Aged Intervertebral DiscsHOLGUIN, NILSSONNational Institutes of Health (NIH), National Institute of Arthritis and Muscoloskeletal and Skin Diseases (NIAMS) (ID: 1F32AR064667-01A1), $57,794USD, 07/01/2014 -- 06/30/2016