Citation: Hw. Petersen et al., METHOD VALIDATION IN RELATION TO ACCURACY AND PRECISION FOR THE GAS-CHROMATOGRAPHY MASS-SPECTROMETRIC ANALYSIS OF 19-NORTESTOSTERONE IN URINE WITH HEPTAFLUOROBUTYRIC ANHYDRIDE AND N-METHYL-N-(TRIMETHYLSILYL)TRIFLUOROACETAMIDE, Analyst, 119(12), 1994, pp. 2627-2630
Citation: Hw. Petersen et al., CHEMOTAXONOMY OF THE TUBER-BEARING SOLANUM SPECIES, SUBSECTION POTATO(SOLANACEAE), Biochemical systematics and ecology, 21(5), 1993, pp. 629-644