Clinical study of donepezil combined with ginkgo biloba tablet for moderate to severe Alzheimer’s disease
WU Huan-yu, ZHANG Li-juan, ZHANG Xue-lian, SHI Lu-hang
Practical Geriatrics . 2021, (3): 294 -296 .  DOI: 10.3969/j.issn.1003-9198.2021.03.021