APTEKMAN, P M Characterization of the natural hemagglutinins in normal rat serum associated with a negative phase following tumor implantation. [electronic resource] - Cancer research Mar 1956 - 216-21 p. digital Publication Type: Journal Article ISSN: 0008-5472 Subjects--Topical Terms: AnimalsAntibodiesAntigensHemagglutininsNeoplasms--immunologyRats