By now, Joe was impressed with the information he'd found, but wondered how to search through it all to find what he wanted. Joe asked Shirley Holmes how she found information. She said that she used search tools like MEDLINE and CINAHL. Joe asked her if these were available on the Internet.
"MEDLINE is," she said. "You can get access through something called PubMed".
Introduction: Select this option to read the introduction to these resources.