c("age: 80", "gender: male", "alzheimer's disease stage: early stage (control)", "tissue: brain", "region: prefrontal cortex", "molecule subtype: microRNA")
c("age: 78", "gender: male", "alzheimer's disease stage: early stage (control)", "tissue: brain", "region: prefrontal cortex", "molecule subtype: microRNA")
c("age: 52", "gender: female", "alzheimer's disease stage: early stage (control)", "tissue: brain", "region: prefrontal cortex", "molecule subtype: microRNA")
c("age: 74", "gender: female", "alzheimer's disease stage: early stage (control)", "tissue: brain", "region: prefrontal cortex", "molecule subtype: microRNA")
c("age: 83", "gender: male", "alzheimer's disease stage: early stage (control)", "tissue: brain", "region: prefrontal cortex", "molecule subtype: microRNA")
c("age: 78", "gender: female", "alzheimer's disease stage: early stage (control)", "tissue: brain", "region: prefrontal cortex", "molecule subtype: microRNA")
c("age: 79", "gender: male", "alzheimer's disease stage: late stage", "tissue: brain", "region: prefrontal cortex", "molecule subtype: microRNA")
c("age: 80", "gender: female", "alzheimer's disease stage: late stage", "tissue: brain", "region: prefrontal cortex", "molecule subtype: microRNA")
c("age: 67", "gender: male", "alzheimer's disease stage: late stage", "tissue: brain", "region: prefrontal cortex", "molecule subtype: microRNA")
c("age: 67", "gender: female", "alzheimer's disease stage: late stage", "tissue: brain", "region: prefrontal cortex", "molecule subtype: microRNA")
c("age: 68", "gender: female", "alzheimer's disease stage: late stage", "tissue: brain", "region: prefrontal cortex", "molecule subtype: microRNA")
c("age: 72", "gender: female", "alzheimer's disease stage: late stage", "tissue: brain", "region: prefrontal cortex", "molecule subtype: microRNA")