[Part 2: Biological Sciences] || Methotrexate-Resistant Chinese Hamster Ovary Cells have Amplified a 135-Kilobase-Pair Region That Includes the Dihydrofolate Reductase Gene
Jeffrey D. Milbrandt, Nicholas H. Heintz, W. Carlton White, Steven M. Rothman and Joyce L. HamlinVolume:
78
Language:
english
Journal:
Proceedings of the National Academy of Sciences of the United States of America
DOI:
10.2307/11002
Date:
October, 1981
File:
PDF, 2.16 MB
english, 1981