JOURNAL OF LEUKOCYTE BIOLOGY, vol. 66, no. 6, page. 915 - 922, 1999-12
JOURNAL OF IMMUNOLOGY, vol. 163, no. 10, page. 5462 - 5470, 1999-11-15
LIFE SCIENCES, vol. 65, no. 17, page. 1845 - 1856, 1999-09-17