‘Prodromal Alzheimerʼs disease’: a more useful concept than mild cognitive impairment?

Correspondence to Bruno Dubois, Inserm E007 and Fédération de Neurologie, Hôpital de la Salpêtrière, 75013 Paris, France. Tel: +33 1 42 16 17 61; fax: +33 1 42 16 27 39; e-mail: email protected