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Savolainen, Riikka, Hanna M. Ollila, Markku Partinen, Jukka Koskela, John Borghi, Anna Rotkirch, and Liisa T. Laine. "Face Masks to Prevent Transmission of Respiratory Infections: Systematic Review and Meta-analysis of Randomized Controlled Trials On Face Mask Use." PLOS ONE 17, no. 12 (2022): e0271517.

Savolainen, Riikka, et al. "Face Masks to Prevent Transmission of Respiratory Infections: Systematic Review and Meta-analysis of Randomized Controlled Trials On Face Mask Use." PLOS ONE 17.12 (2022): e0271517.