Medicinal plants Dissertations, Academic (Ph.D) 28 India 20 Botany 19 Materia medica, Vegetable 18 Herbs 14 Aromatic plants 13 Medicine, Ayurvedic 13 Thesis (Ph.D)-Biochemistry 11 Thesis (Ph.D)-Botany 11 Traditional medicine 11 Biotechnology 10 Ayurveda 9 Ethnobotany 8 Cancer 6 Herbals 6 Plants 6 Economic botany 5 Plants, Medicinal 5 Therapeutic use 5 Biodiversity 4 Cancer-Treatment 4 Dissertations, Academic(Ph.D) 4 Herbs-Therapeutic use 4 Horticultural Crops, (New March 2000) 4 Indian medicinal plants 4 Kerala 4 Medicine, Experimental 4 Pharmacognosy 4 Pharmacology 4