References
- Creighton , JT and Gresham , WD . 1949 . Parathion for control of green peach aphid on tobacco . J Econ Entom , 40 : 915 – 916 .
- Townes , H and Dobrovsky , TM . 1951 . Tobacco Insect Control in North Carolina , North Carolina Agricultural Experiment Station circular Vol. 351 , Raleigh, NC : North Carolina Agricultural Extension Service .
- 1971 . North Carolina Agricultural Chemicals Manual , 82 – 86 . Raleigh, NC : North Carolina Agricultural Extension Service .
- Lieben , J , Walkman , RK and Krause , L . 1953 . Urinary excretion of paranitrophenol following exposure to parathion . Arch Industr Hyg , 7 : 93 – 99 .
- Schaefer , RA and Vance , GH . 1953 . Exposure of Connecticut tobacco workers to parathion . Arch Industr Hyg , 7 : 193 – 196 .
- Krook JE Williams WA et al. Parathion poisoning in North Carolina Morbidity Mortality Weekly Rep 1971 20 38
- Cobb , WJ . 1970 . Results of Parathion Decay Study , report to North Carolina Board of Agriculture 21 Raleigh, NC : North Carolina Department of Agriculture, State Chemist’s Office .
- Quinby , GE and Lemmon , AB . 1958 . Parathion residues as a cause of poisoning in crop workers . JAMA , 166 : 740 – 748 .
- Milby , TH , Ottoboni , F and Mitchell , HW . 1964 . Parathion residue poisoning among orchard workers . JAMA , 189 : 97 – 102 .
- Gary , PJ and Routh , JI . 1965 . A micro method for serum cholinesterase . Clin Chem , 11 : 91 – 92 .
- Gary , PJ . 1971 . A manual and automated procedure for measuring serum cholinesterase activity and identifying enzyme variants . Clin Chem , 17 : 192 – 198 .
- Elliott JW Walker KC et al. A sensitive method for urinary p-nitrophenol determination as a measure of exposure to parathion
- Watts RR Shorherr RW et al. Charcoal column cleanup method for many organophosphorus pesticide residues in crop extracts J Assoc Off Annal Chem 1969 52 522 526
- Snedecor , GW and Cochran , WG . 1967 . Statistical Methods for Research Workers , 258 – 296 . Ames, Iowa : Iowa State University Press .
- Davies JE Davis JH et al. Urinary p-nitrophenol concentration in acute and chronic parathion exposure Advances Chem Series 1966 60 67 78
- Hayes , W . 1961 . Diagnostic Problems in toxicology (agriculture) . Arch Environ Health , 3 : 49 – 56 .
- Rider JA Hodges JL et al. Plasma and red blood cell cholinesterase in 800 “healthy” blood donors J Lab Clin Med 1957 50 376 383