Statistics
Publications
18
Citations
690
H-Index
15
Active since
1965
D. R. Clark is an author at United States Fish and Wildlife Service specializing in toxicology, environmental toxicology, and wildlife toxicology.
Publications per year
1965–2011
18
18
Enzymatic assay for methotrexate in serum and cerebrospinal fluid.
LA Falk, D. R. Clark, S M Kalman et al. · Clinical Chemistry · 1976 · 77 citations
1–5 of 18