Simple and multiple linear regression analysis between exposure, inhalable cobalt adjusted for the use of respirators and cobalt on skin, and uptake of cobalt in blood and urine.

source: Wahlqvist, F., Bryngelsson, I. L., Westberg, H., Vihlborg, P., & Andersson, L. (2020). Dermal and inhalable cobalt exposure—Uptake of cobalt for workers at Swedish hard metal plants. PloS one, 15(8), e0237100.