Obi, Chris C. Emdex drug information based on WHO Formulary & Nigeria's essential drug list - 2018-2019 ed./ vol I - Lagos/ Missisippi Emdex/ Chris 5ive consulting 2019 - 968p. xxiv,ill.; 13cm English ISSN: 11183764 Subjects--Topical Terms: Drug-information LC Class. No.: REF RS 56.2 O.24 2022