Ghawana, S and Paul, A and Kumar, Hitesh and Kumar, A and Singh, H and Bhardwaj , P K and Rani, A and Singh, R S and Raizada, J and Singh, K and Kumar , Sanjay (2011) An RNA isolation system for plant tissues rich in secondary metabolites. BMC Research Notes, 4. p. 85.

Singh, R S and Gara, R K and Bhardwaj, P K and Kumar, R and Malik, S and Ahuja, Paramvir Singh and Sharma, Madhu and Kumar, Sanjay (2010) Expression of 3-hydroxy-3-methylglutaryl-CoA reductase, p-hydroxybenzoate-m-geranyltransferase and genes of phenylpropanoid pathway exhibits positive correlation with shikonins content in arnebia [Arnebia euchroma (Royle) Johnston]. BMC Molecular Biology, 32. pp. 292-296.