Ronald J. Harkrader

The Effect of pH on Sanguinarine Iminium Ion Form

R. R. Jones, Ronald J. Harkrader, G. Lee Southard · Journal of Natural Products · 1986 · 51 citations

Engineering, Altmetric Attention Score, Bibliometrics +17

Synergistic and antagonistic interactions of methotrexate and 1-β-D-arabinofuranosylcytosine in hepatoma cells

Robert Jackson, Ronald J. Harkrader · Biochemical Pharmacology · 1981 · 30 citations

Biochemistry, Medicine, Liver Physiology +8

A Naturally Occurring Compound for Controlling Powdery Mildew of Greenhouse Roses

Steven E. Newman, Michael J. Roll, Ronald J. Harkrader · HortScience · 1999 · 21 citations · Full text

Engineering, Medicine, Crop Protection +11

Increase in liver and kidney deoxycytidine kinase activity linked to neoplastic transformation

Ronald J. Harkrader, Robert Jackson, Donald A. Ross et al. · Biochemical and Biophysical Research Communications · 1980 · 19 citations

Tumor Biology, Hepatocellular Carcinoma, Medicine +11

The history, chemistry and pharmacokinetics of Sanguinaria extract.

Ronald J. Harkrader, Paul Reinhart, James A. Rogers et al. · PubMed · 1990 · 18 citations

Medicinal Chemistry, Active Ingredient, Medicine +10