Litvack, J I Setting the price of essential drugs: necessity and affordability. [electronic resource] - Lancet (London, England) Aug 1989 - 376-9 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0140-6736 Standard No.: 10.1016/s0140-6736(89)90549-7 doi Subjects--Topical Terms: ChildDeveloping CountriesEvaluation Studies as TopicFees, PharmaceuticalFemaleHealth Planning Support--economicsHumansIncomeIndonesiaPrimary Health Care--economicsSampling StudiesUnited Nations