''The term languishes without any semantics as if it were irrelevant or gratuitous and its derivatives share the same semantic obscurity with it.''<ref>{{cita libro
''The term languishes without any semantics as if it were irrelevant or gratuitous and its derivatives share the same semantic obscurity with it.''<ref>{{cita libro
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|autore=Sadegh-Zadeh K
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|autore=Sadegh-Zadeh Kazem
|titolo=Handbook of Analytic Philosophy of Medicine
|titolo=Handbook of Analytic Philosophy of Medicine