TY - BOOK AU - BALACHANDRAN.G TI - STUDIES ON CYTOLOGICAL CHANGES INDUCED BY EXTRACTS OF BETEL LEAVES USED FOR CHEWING IN ROOT TIP CELLS OF VICIA FABA U1 - 571.6 BAL PY - 1978/// CY - THIRUVANANTHAPURAM PB - DEPT OF BOTANY, UNIVERSITY OF KERALA KW - CYTOLOGICAL ER -