In Vitro Antisickling Activity of a Rearranged Limonoid Isolated from Khaya senegalensis - Fall, Ahmedou Bamba; Vanhaelen-Fastré, Renée; Vanhaelen, Maurice; Lo, Issa; Toppet, Michèle; Ferster, Alina; Fondu, Pierre (Planta Medica, 1999)