title: Observations on the mouse mammary carcinoma virus.
authors.forename: S
authors.initials: S
authors.lastname: GRAFF
authors.forename: M
authors.initials: M
authors.lastname: HEIDELBERGER
authors.forename: C D
authors.initials: CD
authors.lastname: HAAGENSEN
mesh_terms: D000818:Animals; D001940:Breast; D001943:Breast Neoplasms; D006801:Humans; D051379:Mice; D009374:Neoplasms, Experimental; D014780:Viruses