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Journal - Association of Official Analytical Chemists|January 1, 1985
Atomic absorption spectrophotometric determination of liver copper: collaborative studyD L Osheim, P F RossVeterinary and Human Toxicology|October 1, 1985
Carbofuran toxicosis in cattle: case history and analytical methodD L Osheim, P F Ross, L D Keck, et al.Journal - Association of Official Analytical Chemists|September 1, 1983
Atomic absorption determination of serum copper: collaborative studyD L OsheimVeterinary and Human Toxicology|October 1, 1980
Toxaphene residues in the bovine after oral exposureL A Steele, H A Nelson, A A Furr, et al.Journal of AOAC International|July 29, 1998
Determination of fluoride in bovine urineD L Osheim, M C RasmussonJournal of AOAC International|March 1, 1995
Determination of total nitrogen in urine by pyrochemiluminescence: collaborative studyK A Boehm, P F RossJournal of AOAC International|July 29, 1998
Thin-layer chromatographic determination of monensin in feeds: screening methodW W Landgraf, P F RossJournal of Animal Science|December 1, 1996
Blood selenium concentrations in cows and heifers on 253 cow-calf operations in 18 statesD A Dargatz, P F RossQuality Assurance (San Diego, Calif.)|December 1, 1995
Quality assurance initiative at the U.S. Department of Agriculture National Veterinary Services LaboratoriesR E Hill, P F RossJournal - Association of Official Analytical Chemists|July 1, 1990
Enzymatic-spectrophotometric method for determination of cholinesterase activity in whole blood: collaborative studyK S Harlin, P F RossPageof 4