Comparative GC-MS Analysis of Bioactive Phytochemicals from Different Plant Parts and Callus of Leptadenia reticulata Wight and Arn., Godara, Priyanka, Dulara Bunty Kumar, Barwer Neelam, and Chaudhary Navneet Singh , Pharmacognosy Journal, January 2019, Volume 11, Issue 1, p.129-140, (2019)