TY - JOUR AU - Clifford, L J; Nair, M G; Rana, J; Dewitt, D L TI - Bioactivity of alkamides isolated from Echinacea purpurea (L.) Moench JO - Phytomedicine VL - 9 PY - 2002 DO - 10.1078/0944-7113-00105 SP - 249 EP - 253 ER -