TY - JOUR T1 - Possible leukopenia associated with long-term use of echinacea. JF - The Journal of the American Board of Family Practice JO - J Am Board Fam Med SP - 417 LP - 419 VL - 15 IS - 5 AU - David Eric Kemp AU - Kathleen N Franco Y1 - 2002/09/01 UR - http://www.jabfm.org/content/15/5/417.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -