Difference between Patristics and Patrology

What is the difference between Patristics and Patrology?

Patristics as a noun is the study of the works of the early christian [http://en.wikipedia.org/wiki/church_fathers church fathers]. while Patrology as a noun is the study of the lives and works (especially the writings) of the church fathers

We hope you now know whether to use Patristics or Patrology in your sentence.