Devaki, R., S.S. Rao and S.M. Nadgir, 2006. The effect of lithium on the adrenoceptor-mediated second messenger system in the rat brain. J. Psychiatry Neurosci., 31: 246-252.
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Meena, A.K., A.D. Archana, G.C. Reddy, D. Ramakrishna and P. Rao, 2010. Antiganglioside antibodies in sub types of guillain-barre syndrome in an Indian population. J. Med. Sci., 10: 138-142.
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Padma, S., D. Ramakrishna and P. Jijiya Bai, 2011. Matrix metallo proteinases in carcinoma of cervix: A review. Int. J. Life Sci. Pharma Res., 1: 101-109.
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Padma, S., D. Ramakrishna, P. Jijiya Bai and P.V. Ramana, 2011. Pattern of distribution of congenital anomalies in stillborn: A hospital based prospective study. Int. J. Pharma Bio Sci., 2: 604-610.
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Rafi, A., D. Ramakrishna, K. Sabitha, S. Mohanty and P. Rao, 2011. Serum copper and Vascular Endothelial Growth Factor (VEGF-A) in dysfunctional uterine bleeding. Am. J. Biochem. Mol. Biol., 1: 284-290.
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Rafi, A., D. Ramakrishna, K. Sabitha, S. Mohanty and P. Rao, 2012. Importance of serum copper and Vascular Endothelial Growth Factor (VEGF-A) levels in postmenopausal bleeding. Indian J. Biochem. (In Press). .

Ramakrishna, D. and M.N. Subhash, 2010. Differential modulation of alpha-1 adrenoceptor subtypes by antidepressants in the rat brain. J. Neural Trans., 117: 1423-1430.
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Ramakrishna, D. and P. Rao, 2011. Applications of G protein-coupled receptors in clinical medicine. Curr. Res. Neurosci., 1: 15-23.
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Ramakrishna, D. and P. Rao, 2011. Nanoparticles: Is toxicity a concern?. The J. Int. Federat. Clin. Chem. Lab. Med., 22: 1-10.
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Ramakrishna, D., M.N. Subhash and S. Sharada, 2004. Modulation of α1-adrenoceptors by tricyclic antidepressants in rat brain. J. Neurochem., 88: 77-77.

Ramakrishna, D., M.N. Subhash and S. Sharada, 2008. Differential effect of specific antidepressants on a1-adrenoceptors in rat brain. J. Neurochem., 106: 43-46.

Ramakrishna, D., S. Roy, G.C. Reddy and M.N. Subhash, 2011. Differential effect of antidepressants on Gqα-protein levels in rat brain. Int. J. Pharma Bio Sci., 2: 348-355.
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Reddy, G.C., R. Devaki and P. Rao, 2011. Association of sepsis with iron overload in hemodialysis patients receiving intravenous iron therapy. Asian J. Biochem., 6: 252-262.
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Subhash, M.N. and D. Ramakrishna, 2006. Effect of sumatriptan on cortical 5-HT1B adrenoceptors in rat brain. J. Cell Tissue Res., 6: 743-747.