Reprint from Journal of National Cancer Institute (series). 270. Vascular reactions of normal and malignant tissues in vivo: 3, Vascular reactions of mice to fibroblasts treated in vitro with methylcholanthren [with list of references; by] Glenn H. Algire, Harold W. Chalkley, and Wilton B. Earle, with assistance of Francis Y. Legallais, Helen D. Park, Emma Shelton, and Edward L. Schilling.