PARVIN, F.; MD, J. I.; JAHAN, N.; KHAN, H.; SHAEKH MD, P. E.; ISLAM MD, A.; RAHAMAN, M. H.; RAHMAN MD, M. Efficient in vitro micropropagation of Gynura procumbens - an important rare medicinal plant, through shoot tip and nodal segment explants. Journal of Research in Biology, v. 4, n. 6, p. 1444-1450, 10 Sep. 2014.