@article{92a8aa1f08ee4901aec574f836bd4ed4,
title = "THE EFFECT OF LONG ENDURANCE RUNNING ON NATURAL KILLER CELL ACTIVITY IN EXPERIENCED MARATHONERS: 652",
author = "M. Simpson-Westerberg and Nieman, \{D. C.\} and Youngberg, \{W. S.\} and K. Arabatzis and Eby, \{W. C.\} and Tan, \{S. A.\} and Lee, \{J. W.\} and Berk, \{L. S.\}",
year = "1980",
month = apr,
day = "1",
doi = "10.1249/00005768-198004001-00652",
language = "American English",
volume = "21",
pages = "S109",
journal = "Medicine and Science in Sports and Exercise",
number = "2",
}