Virginia Fraser has written:

'Understanding \\' -- subject(s): Alzheimer Disease, Alzheimer's disease, Popular works, Alzheimer's Disease

Alzheimer's disease has an apostrophe s for possession. It was discovered/codified by Dr. Alois Alzheimer in the early 1900's.

Howard Gruetzner has written:

'Alzheimer's' -- subject(s): Alzheimer Disease, Alzheimer's disease, Caregivers, Family relationships, Handbooks, Patients, Alzheimer-Krankheit, Alzheimer, Maladie d'

Prem P. Gogia has written:

'Clinical Alzheimer rehabilitation' -- subject(s): Alzheimer Disease, Alzheimer's disease, Patients, Rehabilitation

Alzheimer's disease is named after Alois Alzheimer, a physician.