This is a special version of compare-stuff.com for queries
relating to the biomedical sciences only.
It lets you do quantitative PubMed searches.
If you have not heard of PubMed then
you are unlikely to find this useful or interesting.
Put most biological phrases in parentheses rather than double quotes -
this allows the MeSH term expansion to be applied by PubMed (it won't expand phrases in quotes)
e.g. (DNA polymerase). You should also use parentheses around
query terms including field specifiers, e.g. (2006 [DP]) (date
Here's an example link to get you started doing time trend analysis for (2000-2007). It shows the fraction of research output for each year.