1. Ahmed SA, Penhale WJ, TALAL N (1985) Sex hormones, immune responses, and autoimmune diseases. Am J Pathol 121:531?551
2. Benschop RJ, Oostveen FG, Heijnen CJ, Ballieux RE (1993) ?2-Adrenergic stimulation causes detachment of natural killer cells from cultured endothelium. Eur J Immunol 23:3243?3247
3. Benzcur M, Matsushima K, Oppenheim JJ, Herberman RB, Ortaldo JR (1984) Stimulatory role of purified IL-1 on human NK cells (abstract). J Leukocyte Biol 36:396
4. Berne RM, Levy MN (1993) Physiology. Mosby Year Book, St. Louis, Mo. pp 818
5. Bjune G (1979) In vitro lymphocyte responses to PHA show covariaton with the menstrual cycle. Scand J Immunol 10:362