EXHIBIT 4-166 - EXP.0015.0002.0445 - F Laid and R Williams, 'A prospective study of Alzheimer disease in Down synrome' (1989) 849. You are here Home Publications EXHIBIT 4-166 - EXP.0015.0002.0445 - F Laid and R Williams, 'A prospective study of Alzheimer disease in Down synrome' (1989) 849. Exhibit Publication date 28 February 2020 Download EXP.0015.0002.0445.pdf