- PubMed contains citations published back to 1946 and earlier.
New citations are generally added Tuesday through Saturday.
- Limit your search to articles with Publication dates in the last 5 or 10 years [Show Me]
- Select Custom range and specify a date range using year, month and day. Month and days are optional. [Show Me]
- PubMed will search both electronic and print publication dates when range searching. If using a single date, PubMed will search only the earliest publication date.
- PubMed displays search results in descending date of entry order, i.e., last in, first out.