JAYANTHY.T CYTOTOXIC EFFECTS OF EXTRACTS OF PIPER BETLE AND NICOTIANA TABACUM ON ALLIUM CEPA L. English - - T DEPT OF BOTANY, UNIVERSITY OF KERALA KARIAVATTOM 1997 - 47 HB ISBN: Source: Subjects--Uniform Titles: Subjects--Topical Terms: PIPER Dewey Class. No.: 583.25 JAY