Jain, S., P. N. Chaudhary, and V. B. Gawade. “Late Stages in the Biosynthesis of Ipecac Alkaloids - Cephaeline, Emetine and Psychotrine in Alangium Lamarckii Thw. (Alangiaceae)”. Scientific World, vol. 10, no. 10, Sept. 2012, pp. 24-28, doi:10.3126/sw.v10i10.6857.