[12] Case C-159/91 Poucet et Pistre [1993] ECR I-637; Case C-218/00 Cisal and INAIL [2002] ECR I-691, paragraphs 43-48; Joined Cases C-264/01, C-306/01, C-354/01 and C-355/01 AOK Bundesverband [2004] ECR I-2493, paragraphs 51-55.
[12] Affaire C-159/91, Poucet et Pistre¸ Rec. 1993, p. I-637; affaire C-218/00 P, Cisal/INAIL, Rec. 2002, p. I-691, points 43 à 48; affaires jointes C-264/01, C-306/01, C-354/01 et C-355/01, AOK Bundesverband, Rec. p. I-2493, points 51 à 55.