The search textbox has an autosuggest feature. When you enter three or more characters, a list of up to 10 suggestions will popup under the textbox. Use the arrow keys to move through the suggestions. To select a suggestion, hit the enter key. Using the escape key closes the listbox and puts you back at the textbox. The radio buttons allow you to toggle between having all search items start with or contain the text you entered in the search box.
citrovorum factor (sih-troh-VOR-um FAK-ter)
A drug used to lessen the toxic effects of substances that block the action of folic acid, especially the anticancer drug methotrexate. Citrovorum factor is used to treat some types of anemia and is also used with fluorouracil to treat colorectal cancer. It is also being studied in the treatment of other types of cancer and other conditions. Citrovorum factor is a form of folic acid. It is a type of chemoprotective agent and a type of chemosensitizing agent. Also called calcium levoleucovorin, leucovorin calcium, and Wellcovorin.