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Cchmc: Obsessive Compulsive Disorder (Ocd)
A hospital reference page defines obsessive-compulsive disorder and discusses its causes, symptoms, diagnosis, and treatment.
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Medical Breakthroughs: Dr. Albert Sabin's Discovery of the Oral Polio Vaccine
Scroll down to read about Dr. Albert Sabin's research on polio and the discovery of the oral polio vaccine.