Difference in carcinogenicities of two different vapor grown carbon fibers with different physicochemical characteristics induced by intratracheal instillation in rats.

"Declarations Ethical approval and consent to participateThe study was approved by the Animal Experimental Committee at the DIMS Institute of Medical Science, Inc. Competing interestsK.S., H.F., Y.H., R.O., A.N., T.Y. are employees of the sponsor of this study. T.N., T.S., M.K., Y.M. are employees of DIMS Institute of Medical Sciences Inc. However, this did not influence the objectivity of the study. The authors declare that they have no conflicts of interest. Competing interests K.S., H.F., Y.H., R.O., A.N., T.Y. are employees of the sponsor of this study. T.N., T.S., M.K., Y.M. are employees of DIMS Institute of Medical Sciences Inc. However, this did not influence the objectivity of the study. The authors declare that they have no conflicts of interest."

"Funding Resonac Corporation and DIMS Institute of Medical Sciences have entered into an agreement under which Resonac Corporation and DIMS Institute of Medical Sciences jointly develop a study plan and Resonac Corporation entrusts DIMS Institute of Medical Sciences to conduct the practical work. The cost of the study was borne by Resonac Corporation."