Logični operatorji: AND, OR, NOT

Nn (n število besed ne glede na vrstni red)

Wn (n število besed glede na vrstni red)  W - nič besed; W1

Paediatrics=pediatrics

"alzheimer's disease*"  ≠ "alzheimer disease*" 

Krnjenje: *

Iskalna polja:

DE: predmetne oznake

TI: naslov

AB: abstrakt

Alzheimer Disease                
Alzheimer's Disease                      
Senile Dementia                        
Alzheimer Type Dementia                          
Alzheimer Type Senile Dementia                
Alzheimer Syndrome                                    
Alzheimer Dementia                                 
Presenile Dementia 

DE "alzheimer's disease"

TI (alzheimer*  or senile* ) W2 ( disease*   or  dementia*   or Syndrome*  )

AB (alzheimer*  or senile* ) W2 ( disease*  or  dementia*   or   Syndrome*  )

TI beta W2 "blocking agent*"

toda

TI "alzheimer disease*"

TI "alzheimer's disease*"

TI "senile dementia*"