Natural killer cells, gamma delta T cells and classical monocytes are associated with systolic blood pressure in the multi-ethnic study of atherosclerosis (MESA) oleh Joseph A. C. Delaney, Nels C. Olson, Colleen M. Sitlani, Alison E. Fohner, Sally A. Huber, Alan L. Landay, Susan R. Heckbert, Russell P. Tracy, Bruce M. Psaty, Matt Feinstein, Margaret F. Doyle