Nanda Kumar, N V Colorimetric determination of methyl parathion and oxygen analog. [electronic resource] - Journal - Association of Official Analytical Chemists May 1980 - 536-8 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0004-5756 Subjects--Topical Terms: AnimalsCholinesterase Inhibitors--analysisColorimetryInsecticides--analysisLiver--enzymologyMethyl Parathion--analysisParaoxon--analogs & derivativesParathion--analogs & derivativesSwineTriticum--analysis