Journal of Biological Chemistry · 1932 · 31 citations · 10 references
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John H. Northrop, M. Kunitz · The Journal of General Physiology · 1932 · 199 citations · Full text
John H. Northrop · The Journal of General Physiology · 1930 · 175 citations · Full text
A CONVENIENT METHOD FOR THE FORMOL TITRATION
John H. Northrop · The Journal of General Physiology · 1926 · 71 citations · Full text
Isolation of Protein Crystals Possessing Tryptic Activity
John H. Northrop, M. Kunitz · Science · 1931 · 46 citations