TY - BOOK AU - Suja, S. R. TI - Heptaprotective and antioxidant properties of helminthostachys zeylanica (Linn. )hook. f. , rhinacanthus nasuta (Linn. )kurz and spilanthes ciliata H. B. K KW - Botany N1 - Thesis (Ph.D.)--University of Kerala ER -