RT Journal Article SR Electronic T1 Where Have All the Flowers Gone? JF The Journal of Immunology JO J. Immunol. FD American Association of Immunologists SP 5 OP 6 DO 10.4049/jimmunol.1800635 VO 201 IS 1 A1 Marrack, Philippa YR 2018 UL http://www.jimmunol.org/content/201/1/5.abstract AB