Cannabis Sativa in Relation to Mental Diseases and Crime in India
Chopra's Indigenous Drugs of India
Chopra's Indigeneous Drug of India
Chopraʼs Indigenous Drugs of India
Cannabis Sativa in Relation to Mental Diseases and Crime in India
Indigenous Drugs of India, by R.N. Chopra [and Others].
Cannabis Sativa in Relation to Mental Diseases and Crime in India
Poisonous Plants of India
A Handbook of Tropical Therapeutics
Annual Address to the National Institute of Sciences of India, Benares, 1941
Drug Addiction, with Special Reference to India
Indigenous Drugs of India
Indian Medical Research Memoirs
Annual Address to the National Institute of Sciences of India, Madras, 1940
A Treatise on Tropical Therapeutics
A Handbook of Medical Treatment
Poisonous Plants of India
Indigenous drugs of India