=CONCATENER(SI(B17="T";"Oeufs"&",";"");SI(C17="T";"Lait"&",";"");SI(D17="T";"Mollusques"&",";"");SI(E17="T";"Poisson"&",";"");SI(F17="T";"Crustacé"&",";"");SI(G17="T";"Gluten"&",";"");SI(H17="T";"Fruits à coques"&",";"");SI(I17="T";"Sulfites"&",";"");SI(J17="T";"Arachide"&",";"");SI(K17="T";"Sésame"&",";"");SI(L17="T";"Lupin"&",";"");SI(M17="T";"Soja"&",";"");SI(N17="T";"Céleri"&",";"");SI(O17="T";"Moutarde";"")&".")