Rodrigues, Marcio L., Wilson Savino, and Samuel Goldenberg. "processing charges as a barrier for science in low-to-medium income regions." Memórias do Instituto Oswaldo Cruz, 117, (2022).

This paper discusses article-processing charges (APCs), as a barrier to the universality of science and the access to research findings in view of the barriers faced by authors and institutions from low-to-middle income regions to cover APCs, while illustrating that with recent numbers.