In-Vitro Evaluation of the Anti-Leishmanial Activity of Euphorbia Helioscopia Stem Extract In Comparison With Synthetic Drug Amphotericin B Journal title: ASIAN JOURNAL OF NATURAL & APPLIED SCIENCES Authors: Naveeda Qureshi, Hamid Ur Rahman, Abid Ali, NaseerUllah , Syed Ali Shah, Imran Khan Subject(s):