Notes:

• You may omit any item if you wish
• Journal titles may be entered in full or as valid MEDLINE abbreviations
• For Date, you may enter yyyy, yyyy/mm, or yyyy/mm/dd. For example, 1998, 1998/03, or 1998/03/06
• Author names are automatically truncated to account for varying initials, e.g., smith j will also match on smith ja, smith jb, smith jc jr, etc. Enclose author names in double quotes to retrieve that exact match, e.g., "smith j"