Responses of proenkephalin Peptide F to aerobic exercise stress in the plasma and white blood cell biocompartments

William J. Kraemer, Maren S. Fragala, Wendy R.H.Beijersbergen Van Henegouwen, Scott E. Gordon, Jill A. Bush, Jeff S. Volek, N. Travis Triplett, Courtenay Dunn-Lewis, Brett A. Comstock, Tunde K. Szivak, Shawn D. Flanagan, David R. Hooper, Hui Ying Luk, Andrea M. Mastro