mumps vaccine

PubMed is an on-line database at the National Center for Biotechnology Information (NCBI) that contains information from scientific literature. Most of the information is related to medical research. To search PubMed, you use a program called Entrez. You go to the NCBI, select PubMed from the menu, type words into the text box, and start the search. Sometimes that's all you need to do. Sometimes you get several million results and need to use more specific words to limit the results the ones that you really want. Many scientists use PubMed on a daily basis. But the NCBI has noticed that…