Population
Patients with an undiagnosed pleural effusion
Design
Review
Authors
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May guide initial transudate-exudate differentiation in undiagnosed effusions; leaves open prospective validation of the approach.
Provides a structured diagnostic approach for evaluating undiagnosed pleural effusions, emphasizing the initial differentiation between transudates and exudates.
R.W. Light (1997) studied this question.
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