title: Essential medicines concept for quality assurance of health care facilities.
authors.affiliation: Department of Pharmacy Practice, Raghavendra Institute of Pharmaceutical Education and Research, Anantapur, India. E-mail:  scholardixon@gmail.com.
authors.forename: Dixon
authors.initials: D
authors.lastname: Thomas
authors.forename: G
authors.initials: G
authors.lastname: Seetharam
authors.forename: Gerardo
authors.initials: G
authors.lastname: Alvarez-Uria