f301f3b4__Resource_Guide___ReactomeWiki__Resource_Description
[Resource Name] Pathway Interaction Database [URL] http://pid.nci.nih.gov [Resource Description] 
Pathway Interaction Database (PID) is a freely available collection of curated and peer-reviewed pathways composed of human molecular signaling and regulatory events and key cellular processes.
Reactome Resource Guide - ReactomeWiki
Resource Description