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Health Policy and Planning|February 6, 1997
Using cost-effectiveness analysis to evaluate targeting strategies: the case of vitamin A supplementationB P Loevinsohn, R W Sutter, M O Costales
The Pediatric Infectious Disease Journal|February 1, 1992
Standardized diagnosis of pneumonia in developing countriesE K Mulholland, E A Simoes, M O Costales, et al.
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