title: Volume 151, number 2 (1998), in article no. TO988472, "Biopersistence of synthetic vitreous fibers and amosite asbestos in the rat lung following Inhalation," by T. W. Hesterberg, G. Chase, C. Axten, W. C. Miller, R. P. Musselman, O. Kamstrup, J. Hadley, C. Morscheidt, D. M. Bernstein, and P. Thevenaz, pages 262-275