UHN Research::Home UHN Research, the research institutes of the University Health Network, Canada's largest hospital, comprising Ontario Cancer Institute (OCI)--including the Advanced Medical Discovery Institute (AMDI) and The Campbell Family Institute for Breast Cancer Research--Toronto General Research Institute (TGRI),Toronto Western Research Institute (TWRI) at Princess Margaret Hospital (PMH),Toronto General Hospital (TGH) and Toronto Western Hospital (TWH). Uhnresearch.org~Site InfoWhoisTrace RouteRBL Check