Ahmed Mohammed Ahmed, Ahmed Hamed Jwaid, Manal M. Younus, and Hayder Adnan Fawzi, “Pharmacovigilance study of the Penicillin’s adverse drug reactions and their seriousness in the Iraqi hospitals”, Int. J. Res. Pharm. Sci., vol. 9, no. 3, pp. 935–939, Sep. 2018.