Houghton P., Mukherjee P. K., . (2009). Evaluation of Herbal Medicinal Products. London: Pharmaceutical Press.
Houghton P, Mukherjee P K, . 2009. Evaluation of Herbal Medicinal Products. London: Pharmaceutical Press.
Houghton P, Mukherjee P K, . Evaluation of Herbal Medicinal Products. London: Pharmaceutical Press. 2009.