Chopra antimony test

Chopra antimony test

An obsolete clinical test of uncertain diagnostic validity or value, in which a 4% antimony solution is added to dilute serum from patients with visceral leishmaniasis (kala-azar) or other forms of splenomegaly; the development of a flocculent precipitate is "positive”. The test was reported by Sir Ram Nath Chopra (1882–1973), an India physician and pharmacologist.
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