1. New antibiotics, Bleomycin A. and B;Umezawa;J Antibiot,1966
2. Purification of Bleomycin;Umezawa;J. Antibiot,1966
3. Purification of Bleomycin;Umezawa;J. Antibiot,1966
4. Bleomycin treatment of the tumors of penis and scrotum;Ichikawa;J Urol,1968
5. Proceeding of the 6th International Congress of Chemotherapy;Ichikawa,1969