Yadav, S.K., Swami, D., Kumar, P., Meena, M.K., Maurya, C.K., Gupta, P.K., Ganesan, K., Jain, A.K. and Bhattacharya, R. 2014. Acute inhalation toxicity of smoke of fentanyl and its 1-substituted analogs in Swiss albino mice. Cellular and Molecular Biology. 60, 3 (Sep. 2014), 1–9.