Present Position of the Opium Smoking Habit in India. Part III: Studies on the Physical and Mental Effects Produced by Opium Smoking. (An Analytical Review of 300 Opium Smokers Examined in the Field)

. 1938 Apr;73(4):193–203.

Present Position of the Opium Smoking Habit in India. Part III

Studies on the Physical and Mental Effects Produced by Opium Smoking. (An Analytical Review of 300 Opium Smokers Examined in the Field)

PMCID: PMC5219400 PMID: 29014328

R. N. Chopra, BREVET-COLONEL, I.M.S. Honorary Physician to the King (Department of Pharmacology, School of Tropical Medicine, Calcutta)

G. S. Chopra, Department of Pharmacology, School of Tropical Medicine, Calcutta