Expression of Concern for: Nicotine breaks down preformed Alzheimer’s β-amyloid fibrils in vitro

Expression of Concern for: “Nicotine breaks down preformed Alzheimer’s β-amyloid fibrils in vitro,” by Ono et al. (Biol Psychiatry 2002; 52:880–886); https://doi.org/10.1016/S0006-3223(02)01417-8.