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	1.	Liquid chromatography/mass spectrometry for timely response in regulatory analyses: identification of pentobarbital in dog food. [electronic resource] by Heller, D N Producer: 20000816 In: Analytical chemistry vol. 72 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	Determination and confirmation of pirlimycin residue in bovine milk and liver by liquid chromatography/thermospray mass spectrometry: interlaboratory study. [electronic resource] by Heller, D N Producer: 19961202 In: Journal of AOAC International vol. 79 Availability: No items available. Save to lists Add to cart (remove)
	3.	Determination of pirlimycin residue in milk by liquid chromatographic analysis of the 9-fluorenylmethyl chloroformate derivative. [electronic resource] by Heller, D N Producer: 19980202 In: Journal of AOAC International vol. 80 Availability: No items available. Save to lists Add to cart (remove)
	4.	Particle beam liquid chromatography/mass spectrometry with negative ion chemical ionization for the confirmation of ivermectin residue in bovine milk and liver. [electronic resource] by Heller, D N Schenck, F J Producer: 19930503 In: Biological mass spectrometry vol. 22 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	5.	Time preference in medical decision making and cost-effectiveness analysis. [electronic resource] by Redelmeier, D A Heller, D N Producer: 19931116 In: Medical decision making : an international journal of the Society for Medical Decision Making vol. 13 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	6.	Confirmation of spectinomycin in milk using ion-pair solid-phase extraction and liquid chromatography-electrospray ion trap mass spectrometry. [electronic resource] by Carson, M C Heller, D N Producer: 19990208 In: Journal of chromatography. B, Biomedical sciences and applications vol. 718 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	7.	Electrospray ionization and tandem ion trap mass spectrometry for the confirmation of seven beta-lactam antibiotics in bovine milk. [electronic resource] by Heller, D N Ngoh, M A Producer: 19990329 In: Rapid communications in mass spectrometry : RCM vol. 12 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	8.	Method for determination of pentobarbital in dry dog food by gas chromatography/mass spectrometry. [electronic resource] by Heller, D N Lewis, K M Cui, W Producer: 20011205 In: Journal of agricultural and food chemistry vol. 49 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	9.	Confirmation of gentamicin and neomycin in milk by weak cation-exchange extraction and electrospray ionization/ion trap tandem mass spectrometry. [electronic resource] by Heller, D N Clark, S B Righter, H F Producer: 20000222 In: Journal of mass spectrometry : JMS vol. 35 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	10.	Detection of penicillin residues in bovine oral fluid (saliva) by liquid chromatography/tandem mass spectrometry. [electronic resource] by Heller, D N Smith, M L Chiesa, O A Producer: 20060222 In: Rapid communications in mass spectrometry : RCM vol. 20 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	11.	Phosphorylation sites in riboflavin-binding protein characterized by fast atom bombardment mass spectrometry. [electronic resource] by Fenselau, C Heller, D N Miller, M S White, H B Producer: 19860224 In: Analytical biochemistry vol. 150 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	12.	Ca(2+)-dependent and Ca(2+)-independent mechanisms modulate whole-cell cationic currents in human neutrophils. [electronic resource] by Schumann, M A Tanigaki, T Heller, D N Raffin, T A Producer: 19920721 In: Biochemical and biophysical research communications vol. 185 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	13.	Profiling of bacteria by fast atom bombardment mass spectrometry. [electronic resource] by Heller, D N Cotter, R J Fenselau, C Uy, O M Producer: 19880308 In: Analytical chemistry vol. 59 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	14.	Identification of cephapirin metabolites and degradants in bovine milk by electrospray ionization--ion trap tandem mass spectrometry. [electronic resource] by Heller, D N Kaplan, D A Rummel, N G von Bredow , J Producer: 20011025 In: Journal of agricultural and food chemistry vol. 48 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	15.	Determination of the sialylation pattern of human fibrinogen glycopeptides with fast atom bombardment. [electronic resource] by Townsend, R R Heller, D N Fenselau, C C Lee, Y C Producer: 19850429 In: Biochemistry vol. 23 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	16.	Confirmation of leucogentian violet in chicken fat by gas chromatography/mass spectrometry. [electronic resource] by Wilson, R T Wong, J Johnston, J Epstein, R Heller, D N Producer: 19941221 In: Journal of AOAC International vol. 77 Availability: No items available. Save to lists Add to cart (remove)
	17.	Computer-based linear regression analysis of desorption mass spectra of microorganisms. [electronic resource] by Platt, J A Uy, O M Heller, D N Cotter, R J Fenselau, C Producer: 19890306 In: Analytical chemistry vol. 60 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	18.	Mass spectrometric studies of a modified active-site tetrapeptide from delta 5-3-ketosteroid isomerase of Pseudomonas testosteroni. [electronic resource] by Penning, T M Heller, D N Balasubramanian, T M Fenselau, C C Talalay, P Producer: 19821218 In: The Journal of biological chemistry vol. 257 Availability: No items available. Save to lists Add to cart (remove)
	19.	Constant neutral loss scanning for the characterization of bacterial phospholipids desorbed by fast atom bombardment. [electronic resource] by Heller, D N Murphy, C M Cotter, R J Fenselau, C Uy, O M Producer: 19890530 In: Analytical chemistry vol. 60 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	20.	Desorption of ions from rat membranes: selectivity of different ionization techniques. [electronic resource] by Fenselau, C Heller, D N Olthoff, J K Cotter, R J Kishimoto, Y Uy, O M Producer: 19900307 In: Biomedical & environmental mass spectrometry vol. 18 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)

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Your search returned 23 results.