18. Identify key word
• Suction and hypoxia
• Fear of falling
• Depression in elderly
• Pain management and hip arthroplasty
• Pain and myocardial infarction
19. Identify the databases
• CINAHL
• PubMed
• MEDLINE
• Science direct
• ProQuest
• Ebscohost
20. Identify the databases
• OVID
• Up to date
• http://www.li.mahidol.ac.th/
• http://kb.psu.ac.th/psukb/
• http://scholar.google.co.th/
• http://www.riclib.nrct.go.th/index.php
• http://tdc.thailis.or.th/tdc/
• http://library.cmu.ac.th/digital_collection/etheses/
• http://library.car.chula.ac.th/