Video

References:

http://ic.galegroup.com/ic/scic/ReferenceDetailsPage/ReferenceDetailsWindow?failOverType=&query=&prodId=SCIC&windowstate=normal&contentModules=&mode=view&displayGroupName=Reference&limiter=&u=spar72416&currPage=&disableHighlighting=false&displayGroups=&sortBy=&source=&search_within_results=&p=SCIC&action=e&catId=&activityType=&scanId=&documentId=GALE%7CDU2601000796

http://www.ncbi.nlm.nih.gov/pubmedhealth/PMH0001420/#adam_000382.disease.causes

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