A Study on the Acaricidal Effects of Extracts from Nicotiana rustica L. and Stemona tuberosa Lour on Dog Ticks Journal title: Saudi Journal of Medical and Pharmaceutical Sciences Authors: Nguyen Thi Kim Lan, Pham Dieu Thuy, Dao Van Cuong, Nguyen Thi Thanh Ha, Do The Manh Subject(s): Pharmaceutical science - Pharmaceutical science