1. Novel antitumor agents CI-920, PD 113,270, and PD 113,271. I. Taxonomy, fermentation and biological properties;Tunac,1983
2. Novel antitumor agents CI-920, PD 113,270, and PD 113,271. II. Isolation and characterization;Stampwala,1983
3. CI-920: a promising new antitumor antibiotic;Hokanson,1983
4. Novel antitumor agents C1-920, PD 113.270, and PD 113,271. III. Structure determination;Hokanson,1985
5. Transport of the antitumor antibiotic CI-920 into L1210 leukemia cells by the reduced folate carrier system;Fry;Cancer Res.,1984