the study of diseases of unknown or obscure causes. It aims at discovering the causes of such diseases in the future.
by uttam maharjan March 17, 2010

by uttam maharjan March 21, 2010

by uttam maharjan September 12, 2010

by uttam maharjan June 06, 2011

by uttam maharjan March 11, 2010

a substance that causes food poisoning.
The anaerobic bacterium Botulinum produces sitotoxins.
by uttam maharjan November 28, 2010

by uttam maharjan November 15, 2011
