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R. N. Chopra, LIEUTENANT-COLONEL, I.M.S. (Department of Pharmacology, School of Tropical Medicine, Calcutta)
Gurbakhsh Singh Chopra, Department of Pharmacology, School of Tropical Medicine, Calcutta.






R. N. Chopra, LIEUTENANT-COLONEL, I.M.S. (Department of Pharmacology, School of Tropical Medicine, Calcutta)
Gurbakhsh Singh Chopra, Department of Pharmacology, School of Tropical Medicine, Calcutta.