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'''Quack''' is a derogatory term for a person within the field of [[medicine]] whose practice is suspect, unprofessional, or bad.  Such individuals have either swindled people of money or, through their practice, have caused harm.  There are also quacks who believe in what they are doing and are operating under pure motives, but they are nevertheless wrong.

'''Quack''' is a derogatory term for a person within the field of [[medicine]] whose practice is suspect, unprofessional, or bad.  Such individuals have either swindled people of money or, through their practice, have caused harm.  There are also quacks who believe in what they are doing and are operating under pure motives, but they are nevertheless wrong.

'''Quack''' is also the written form of the noise that a [[duck]] makes.

'''Quack''' is also an [[onomatopoeia]] for the noise that a [[duck]] makes.

==Links==

==Links==