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Properties of an Altered Dihydrofolate Reductase Amplified Genes in Cultured Mouse Fibroblasts * Encoded

• Daniel A. HaberS, Robert T. Schimke, Damon Runyon, Walter Winchell
• 2001

We have studied a line of 3T6 mouse embryo fibroblasts grown in progressively increasing concentrations of methotrexate. Resistance of cells to low concentrations of the inhibitor (e5 X M) is… (More)

Functional Elements of the Human U 1 RNA Promoter

• Damon Runyan, Walter Winchell
• 2001

We have determined the structure of the human U1 snRNA promoter by microinjection of several mutant U1 templates into Xenopus laevis oocytes. These deletion templates were assayed for their ability… (More)

Neuroblastoma.

• Robert Trotter, Walter Winchell
• United States Armed Forces medical journal
• 1954

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