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The gas chromatographic analysis of sub-microgram quantities of barbiturates using a flame ionization detector. J. gas Clhromatogr., 3, 274-277.","journal-title":"J. gas Clhromatogr; The gas chromatographic analysis of sub-microgram quantities of barbiturates using a flame ionization detector"},{"key":"ref_4","doi-asserted-by":"crossref","first-page":"28","DOI":"10.1016\/0026-265X(64)90008-6","article-title":"Rapid extraction method for barbiturates from blood for gas-liquid chromatographic analysis","volume":"8","author":"Jain, N.C.; Fontan, C.R.; Kirk, P.L.","year":"1964","unstructured":"Jain, N. C., Fontan, C. R., and Kirk, P. L. (1964). Rapid extraction method for barbiturates from blood for gas-liquid chromatographic analysis. Microchem. J., 8, 28-34.","journal-title":"Microchem. 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