Kiran Aqil, Muti-ur-Rehman Khan, Asim Aslam, Aqeel Javeed, Rizwan Qayyum, Farooq Yousaf, Farkhanda Yasmeen, Muhammad Luqman Sohail and Sajid Umar, 2018. In vitro Antiviral Activity of Nigella sativa against Peste des Petits Ruminants (PPR) Virus. Pakistan J. Zool., 50: 2223-2228. DOI: http://dx.doi.org/10.17582/journal.pjz/2018.50.6.2223.2228