title: Proliferation-promoting intercellular hormones: Evidence for their production by living cells as a response to injury.
authors.affiliation: The Research Laboratories of Institutum Divi Thomae, Cincinnati, Ohio, and the Research Laboratory of Good Samaritan Hospital, Dayton, Ohio.
authors.forename: J R
authors.initials: JR
authors.lastname: Loofbourow
authors.forename: C M
authors.initials: CM
authors.lastname: Dwyer
authors.forename: A G
authors.initials: AG
authors.lastname: Cronin