Huayanay-Espinoza CA, Huayanay A, Huicho L. Increased spending from investment in the health sector: efficiency and cost effectivenes in spending?. Rev Peru Med Exp Salud Publica [Internet]. 2015 Dec. 6 [cited 2024 Nov. 21];32(4):822-4. Available from: https://rpmesp.ins.gob.pe/index.php/rpmesp/article/view/1783