Study on the concentration, distribution, and persistence of health spending for the contributory scheme in Colombia by Oscar Espinosa, Rocco Friebel, Valeria Bejarano, Martha-Liliana Arias, Don Husereau, Adrian Smith

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Patient outcomes, efficiency, and adverse events for elective hip and knee replacement in private and NHS hospitals: a population-based cohort study in EnglandResearch in context by Michael Anderson, Rocco Friebel, Laia Maynou, Ilias Kyriopoulos, Alistair McGuire, Elias Mossialos

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The road to recovery: impact of COVID-19 on healthcare utilization in South Korea in 2016-2022 using an interrupted time-series analysisResearch in context by Katelyn Jison Yoo, Yoonkyoung Lee, Seulbi Lee, Rocco Friebel, Soon-ae Shin, Taejin Lee, David Bishai

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Identifying critical gaps in research to advance global surgery by 2030: a systematic mapping review by Meskerem Aleka Kebede, Deng Simon Garang Tor, Tesfamariam Aklilu, Adane Petros, Martilord Ifeanyichi, Ezekiel Aderaw, Maeve Sophia Bognini, Darshita Singh, Rosemary Emodi, Rachel Hargest, Rocco Friebel

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