Tzer, M.C. and Abdullah, Mohd.A. and Oi, M.L. and Nor'Aini, F.M. and Lajis, N.H.  (2005) Effective elicitation factors in Morinda elliptica cell suspension culture.  Process Biochemistry, 40 (11).  pp. 3397-3405.  ISSN 13595113