Houghton, E.M., The Standardization of the Digitalis Series of Heart Tonics. Open letter to The Lancet
name: label: Collection Author
content: Parke, Davis Company
setName: label: See more items in
content: Parke, Davis Research Laboratory Records.
label: See more items in
content: Parke, Davis Research Laboratory Records. / Series 13: Addenda
unitdate: label: Date
content: September  30, 1909
container: label: Container
content: Box 396, Folder 73
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials