Chopra Hk

The single-fiber EMG in the Lambert-Eaton myasthenic syndrome.

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Effect of filter setting on the electromyographic parameters of muscles contracting to fatigue.

Chein-wei Chang, O. Sj, Chopra Hk, 1989 .

Cardiological society of India position statement on COVID-19 and heart failure

S. Harikrishnan, N. N. Khanna, P. Mohanan, 2020, Indian Heart Journal.