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	1.	[IMPURITIES OF GLYCYRRHETINIC ACID PREPARATIONS]. [electronic resource] by HELBING, A R Producer: 19961201 In: Pharmaceutisch weekblad vol. 99 Availability: No items available. Save to lists Add to cart (remove)
	2.	A NEW METHOD FOR THE DETERMINATION OF 18-BETA-GLYCYRRHETINIC ACID IN BIOLOGICAL MATERIAL. [electronic resource] by HELBING, A R Producer: 19961201 In: Clinica chimica acta; international journal of clinical chemistry vol. 8 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	3.	Sweat electrolyte analysis. Comparison of chloride content and conductivity in micro-quantities of sweat. [electronic resource] by HELBING, A R Producer: 19981101 In: Clinica chimica acta; international journal of clinical chemistry vol. 8 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	4.	Simple and rapid urine concentration procedure for protein electrophoresis. [electronic resource] by HELBING, A R Producer: 19981101 In: Clinica chimica acta; international journal of clinical chemistry vol. 6 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	5.	A flow-through device for urine polarimetry. [electronic resource] by Helbing, A G Duifs, R Producer: 19710626 In: Clinica chimica acta; international journal of clinical chemistry vol. 31 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	6.	[On the action mechanism of glycyrrhetic acid]. [electronic resource] by Helbing, A R Berntsen, I G Producer: 19660217 In: Pharmaceutisch weekblad vol. 100 Availability: No items available. Save to lists Add to cart (remove)
	7.	Arsenazo III: an improvement of the routine calcium determination in serum. [electronic resource] by Janssen, J W Helbing, A R Producer: 19910816 In: European journal of clinical chemistry and clinical biochemistry : journal of the Forum of European Clinical Chemistry Societies vol. 29 Availability: No items available. Save to lists Add to cart (remove)
	8.	[Exertion-induced anaphylaxis]. [electronic resource] by Pichler, W J Pichler, C E Helbing, A Producer: 19870316 In: Schweizerische medizinische Wochenschrift vol. 117 Availability: No items available. Save to lists Add to cart (remove)
	9.	[A patient with an accidentally discovered lung disorder]. [electronic resource] by Dagnelie, P R Jakimowicz, J Gratama, S Helbing, A Producer: 19791220 In: Nederlands tijdschrift voor geneeskunde vol. 123 Availability: No items available. Save to lists Add to cart (remove)
	10.	[Dehydroepiandrosterone sulfate (DHEAS) concentration changes in clomiphene therapy?]. [electronic resource] by van der Weiden, R M Hage, J C Helbing, A R Jansen, J W Producer: 19900626 In: Geburtshilfe und Frauenheilkunde vol. 50 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	11.	[Utility of a new reagent strip for detection of urobilinogen in urine]. [electronic resource] by Kutter, D van Oudheusden, A P Eisenberg, K Hennecke, A Helbing, A R Busch, E W Producer: 19730319 In: Deutsche medizinische Wochenschrift (1946) vol. 98 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	12.	Elevated serum levels of interleukins 5, 6, and 10 in a patient with drug-induced exanthem caused by systemic corticosteroids. [electronic resource] by Yawalkar, N Hari, Y Helbing, A von Greyerz, S Kappeler, A Baathen, L R Pichler, W J Producer: 19981124 In: Journal of the American Academy of Dermatology vol. 39 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	13.	bcl-1 rearrangement and cyclin D1 protein expression in mantle cell lymphoma. [electronic resource] by Ott, M M Helbing, A Ott, G Bartek, J Fischer, L Dürr, A Kreipe, H Müller-Hermelink, H K Producer: 19961001 In: The Journal of pathology vol. 179 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	14.	Pharmacokinetics of epoetin in haemodialysis patients after subcutaneous administration: influence of chronic treatment. [electronic resource] by Schouten, J P Voorhorst, G Helbing, A R Janssen, J W Diderich, P P Op de Hoek, C T Producer: 19940304 In: Pharmacy world & science : PWS vol. 15 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	15.	Genetic lesions in mantle cell lymphoma. [electronic resource] by Ott, G Ott, M M Kalla, J Helbing, A Schryen, B Katzenberger, T Bartek, J Dürr, A Müller, J G Kreipe, H Müller-Hermelink, H K Producer: 19970218 In: Recent results in cancer research. Fortschritte der Krebsforschung. Progres dans les recherches sur le cancer vol. 143 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	16.	[Enzymatic lecithin determination in amniotic fluid for antepartal diagnosis of lung maturity - a multi-center study (author's transl)]. [electronic resource] by Diedrich, K Evans, S E Gibitz, H J Helbing, A R Kynast, G Heinze, T Liedtke, B Lorenz, U Martens, G Schlebusch, H Schiøler, V Bouchelouche, P Siggaard-Andersen, O Sirowey, H Weihs, D Kessler, A C Beutler, H O Producer: 19820708 In: Zeitschrift fur Geburtshilfe und Perinatologie vol. 186 Availability: No items available. Save to lists Add to cart (remove)