Melissa Armistead Armistead, M., Dandekar, A., Mathews, M., Smith, M., Gaskill, M., Girase, A., & Ormond, R. B. (2026, February 5). Development of an animatronic headform test method for determining the efficacy of medical masks and barrier face coverings—part 1: total filtration efficacy. Journal of Occupational and Environmental Hygiene. https://doi.org/10.1080/15459624.2026.2612992 Armistead, M., Kiryaman, D., Dandekar, A., Gaskill, M., Mathews, M., Girase, A., & Ormond, R. B. (2026, February 12). Development of an animatronic headform test method for determining the efficacy of medical masks and barrier face coverings—part 2: validation study. Journal of Occupational and Environmental Hygiene. https://doi.org/10.1080/15459624.2026.2612983