Classification Catch-22

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Clinical Notes CATCH 22 Syndrome

CATCH 22 syndrome is characterized by cardiac defects, abnormal facial features, thymic hypoplasia, cleft palate, and hypocalcemia. It is associated with a deletion within chromosome 22q11. This syndrome is not a simple disease. It includes DiGeorge syndrome, conotruncal anomaly face syndrome, and velocardiofacial syndrome. In DiGeorge’s original report, he focused on thymic hypoplasia and hypo...

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Referenda as a Catch-22

The result of a referendum delivers a signi…cant amount of information about social preferences to each composite member of the society. This paper argues that, beyond this obvious fact, the choice not to o¤er a referendum by an authority, although permitted to do so, may enhance as well the information individuals posses about social preferences. The addition of a referendum option in the rule...

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Platelet genomics beats the catch-22.

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ژورنال

عنوان ژورنال: Nature

سال: 1992

ISSN: 0028-0836,1476-4687

DOI: 10.1038/356274a0