Document 0908 DOCN M9650908 TI Th1 and Th2: swinging to a hormonal rhythm [letter] DT 9605 AU Petrovsky N; Harrison LC SO Immunol Today. 1995 Dec;16(12):605. Unique Identifier : AIDSLINE MED/96114396 DE Animal Circadian Rhythm/*IMMUNOLOGY Hormones/*IMMUNOLOGY Human *Th1 Cells *Th2 Cells LETTER JOURNAL ARTICLE SOURCE: National Library of Medicine. NOTICE: This material may be protected by Copyright Law (Title 17, U.S.Code).