geneimprint.org
---------------
1. [http://www.geneimprint.com/site/home](geneimprint)
-2. make geneimprint_human.txt
+2. `make geneimprint_human.txt`
+
+Catalog of Parent of Origin Effects Database
+--------------------------------------------
+
+1. [http://igc.otago.ac.nz/Search.html](Catalog of Parent of Origin Effects Database)
+2. `make parent_of_origin.txt`
+
+Combined Data Files
+===================