Production of podophyllotoxin in Linum linearifolium in vitro cultures Ionkova I, Antonova I, Momekov G, Fuss E. Production of podophyllotoxin in Linum linearifolium in vitro cultures. Pharmacognosy Magazine [Internet]. 2010;6(23):180-185. https://www.ncbi.nlm.nih.gov/pubmed/20931076