@article{005384209, title = "Essential oils of the pakistani species of the family umbelliferae 43. ligusticum elatum seed oil", author = "Ashraf, M. and Sandra, P.J. and Saeed, T. and Bhatty, M.K.", year = "1980", journal = "Pakistan Journal of Scientific and Industrial Research", volume = "23", number = "1-2", pages = "61-63", issn = "0030-9885", url = "https://eurekamag.com/research/005/384/005384209.php" }