Center for Medicago Genomics Research: References
References
Schenk U, Hildebrandt AC (1971) Medium and techniques for induction and growth of monocotyledonous and dicotyledonous plant cell cultures. Can J Bot 50:199-204.
Schumacher H-M, Gundlach H, Fiedler F, Zenk MH (1987) Elicitation of benzophenanthridine alkaloid synthesis in Eschscholtzia cell cultures. Plant Cell Rep 6:410-413.

