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Archives of Environmental Contamination and Toxicology|January 1, 1975
The persistence of ethion and zolone residues on grape folliage in the central valley of CaliforniaJ T Leffingwell, R C SpearJournal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes|February 1, 1985
The relationship between dermal pesticide exposure by fruit harvesters and dislodgeable foliar residuesG Zweig, J T Leffingwell, W PopendorfAmerican Industrial Hygiene Association Journal|December 1, 1986
A video imaging technique for assessing dermal exposure. I. Instrument design and testingR A Fenske, J T Leffingwell, R C SpearAmerican Industrial Hygiene Association Journal|December 1, 1986
A video imaging technique for assessing dermal exposure. II. Fluorescent tracer testingR A Fenske, S M Wong, J T Leffingwell, et al.Journal of Occupational Medicine. : Official Publication of the Industrial Medical Association|March 1, 1979
Harvester exposure to Zolone (phosalone) residues in peach orchardsW J Popendorf, R C Spear, J T Leffingwell, et al.Journal of Toxicology and Environmental Health|May 1, 1981
Correlation of urinary pesticide metabolite excretion with estimated dermal contact in the course of occupational exposure to GuthionC A Franklin, R A Fenske, R Greenhalgh, et al.Pageof 1