title: Mild cognitive impairment. Is it the first sign of Alzheimer's disease?
mesh_terms: D000544:Alzheimer Disease / Q000150:complications / Q000175:diagnosis*; D003072:Cognition Disorders / Q000175:diagnosis* / Q000209:etiology; D003937:Diagnosis, Differential; D006801:Humans; D008569:Memory Disorders / Q000175:diagnosis