Cell 681

Erratum

In the article by Pierschbacher et al. in the October 1981 (Part 2) issue of Cell, on page 267, the two references after Ruoslahti et al. (1981 a) should be:

Ruoslahti, E., Engvall, E., Hayman, E. G. and Spiro, R. G. (1981 b). Comparative study on amniotic fluid and plasma fibronectins. Biochemical Journal 7 93, 295-299. Ruoslahti. E., Hayman, E. G., Engvall, E., Cothran, W. C. and Butler, W. D. (1981~). Alignment of biologically active domains in the fibronectin mole- cule. J. Biol. Chem. 256, 7277-7281.