Altitude acclimatization and concentration of active constituents and calorific value of two medicinal plant species Rheum emodi and R-nobile (Rhubarb) in Sikkim Himalaya
P. Prasad et Mc. Purohit, Altitude acclimatization and concentration of active constituents and calorific value of two medicinal plant species Rheum emodi and R-nobile (Rhubarb) in Sikkim Himalaya, CURRENT SCI, 80(6), 2001, pp. 734-736