Bibliografisk träff 1978-09-01 Antitumor agents XXVIII: Structural elucidation of the novel antitumor sesquiterpene lactone, microlenin, from Helenium microcephalum. Imakura Y, Lee KH, Sims D, Hall IH. J Pharm Sci · research support, u.s. gov't, p.h.s.; research support, u.s. gov't, non-p.h.s.; journal article · DOI 10.1002/jps.2600670910