Isolation of secondary metabolites from the cytotoxic plant extracts of prismatomeris tetrandra Roxb and Calycopteris floribunda lamk / Sujit Kumar Dey [PhD Thesis] Dey, Sujit Kumar Medical botany 583.93 DEI Thesis (PhD )--Department of Chemistry, University of Dhaka, Session : 1999-2000. Includes bibliographical references. Dhaka : University of Dhaka, 2004. 2004. 2004 Text [21], 230 p. : eng