TY - RPRT TI - Differential immune system changes with acute and persistent stress for optimists vs pessimists. AU - F Cohen AU - K A Kearney AU - L S Zegans AU - M E Kemeny AU - J M Neuhaus AU - D P Stites PY - 1999 DO - 10.1006/brbi.1998.0531 UR - https://pubmed.ncbi.nlm.nih.gov/10373279/ ID - 10373279 ER -