Sohail, T., Yasmeen, S., Imran, H., Ferheen, S., Rehman, A. U. and Khan, R. A. (2019) “Standardadization and skin irritation potential of herbal analgesic cream containing Nigella sativa seed oil”, Bangladesh Journal of Medical Science, 19(1), pp. 163–168. doi: 10.3329/bjms.v19i1.43891.