ST. LOUIS, Missouri, Feb. 22 -- The Washington University School of Medicine issued the following news release: * * * Undiagnosed diseases clinic expands outreach to underserved communities Collaboration with St. Louis Integrated Health Network aims to help more people with mysterious illnesses For people living with rare and puzzling medical symptoms, getting a diagnosis is often a long and frustrating process punctuated by many tests and few results. The Washington University School of Med  more