![]() | Up a level |
Chopra, R.N. and G.S. Chopra (1939) The present position of hemp drug addiction in India. [Publication]
Chopra, R.N. and G.S. Chopra (1935) Opium habit in India: studies on the physical and mental effects produced by opium addiction. [Publication]
Chopra, R.N. and G.S. Chopra (1934) Administration of opium to infants in India. [Publication]
Chopra, R.N. and G.S. Chopra (1933) Some country beers of India. [Publication]