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	1.	Quality control and quality assurance. [electronic resource] by Laessig, R H Ehrmeyer, S S Hassemer, D J Producer: 19860725 In: Clinics in laboratory medicine vol. 6 Availability: No items available. Save to lists Add to cart (remove)
	2.	Testing cholesterol accuracy. Performance of several common laboratory instruments. [electronic resource] by Koch, D D Hassemer, D J Wiebe, D A Laessig, R H Producer: 19881117 In: JAMA vol. 260 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	3.	Comparison of plastic vs. glass evacuated serum-separator (SST) blood-drawing tubes for common clinical chemistry determinations. [electronic resource] by Hill, B M Laessig, R H Koch, D D Hassemer, D J Producer: 19920910 In: Clinical chemistry vol. 38 Availability: No items available. Save to lists Add to cart (remove)
	4.	Dual-channel continuous-flow system for determination of phenylalanine and galactose: application to newborn screening. [electronic resource] by Hoffman, G L Laessig, R H Hassemer, D J Makowski, E R Producer: 19840308 In: Clinical chemistry vol. 30 Availability: No items available. Save to lists Add to cart (remove)
	5.	The effects of 0.1 and 1.0 per cent erythrocytes and hemolysis on serum chemistry values. [electronic resource] by Laessig, R H Hassemer, D J Paskey, T A Schwartz, T H Producer: 19761201 In: American journal of clinical pathology vol. 66 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	6.	Laboratory quality control issues related to screening newborns for cystic fibrosis using immunoreactive trypsin. [electronic resource] by Hassemer, D J Laessig, R H Hoffman, G L Farrell, P M Producer: 19920313 In: Pediatric pulmonology. Supplement vol. 7 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	7.	Field evaluation of the Becton-Dickinson SST. [electronic resource] by Laessig, R H Carey, R N Westgard, J O Hassemer, D J Habig, R Producer: 19760901 In: Health laboratory science vol. 13 Availability: No items available. Save to lists Add to cart (remove)
	8.	Limitations of proficiency testing under CLIA '67. [electronic resource] by Laessig, R H Ehrmeyer, S S Lanphear, B J Burmeister, B J Hassemer, D J Producer: 19920813 In: Clinical chemistry vol. 38 Availability: No items available. Save to lists Add to cart (remove)
	9.	Changes in serum chemical values as a result of prolonged contact with the clot. [electronic resource] by Laessig, R H Indriksons, A A Hassemer, D J Paskey, T A Schwartz, T H Producer: 19761101 In: American journal of clinical pathology vol. 66 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	10.	Review of actual proficiency-testing performance under CLIA '67 (March 14, 1990) rules: perspective from the first year's data. [electronic resource] by Lanphear, B J Burmeister, B J Ehrmeyer, S S Laessig, R H Hassemer, D J Producer: 19920813 In: Clinical chemistry vol. 38 Availability: No items available. Save to lists Add to cart (remove)
	11.	Assessment of the serum separator tube as an intermediate storage device within the laboratory. [electronic resource] by Laessig, R H Hassemer, D J Westgard, J O Carey, R N Feldbruegge, D H Schwartz, T H Producer: 19761201 In: American journal of clinical pathology vol. 66 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	12.	Immunoreactive trypsinogen screening for cystic fibrosis: characterization of infants with a false-positive screening test. [electronic resource] by Rock, M J Mischler, E H Farrell, P M Bruns, W T Hassemer, D J Laessig, R H Producer: 19890515 In: Pediatric pulmonology vol. 6 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	13.	A comparison of hard and soft glass blood-drawing tubes. [electronic resource] by Laessig, R H Hassemer, D J Hoffman, G L Westgard, J O Carey, R N Feldbruegge, D H Producer: 19800226 In: American journal of clinical pathology vol. 72 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	14.	Assessment of a serum separator device for obtaining serum specimens suitable for clinical analyses. [electronic resource] by Laessig, R H Westgard, J O Carey, R N Hassemer, D J Schwartz, T H Feldbruegge, D H Producer: 19760423 In: Clinical chemistry vol. 22 Availability: No items available. Save to lists Add to cart (remove)
	15.	Screening programs for congenital hypothyroidism. How can they be improved? [electronic resource] by Allen, D B Hendricks, S A Sieger, J Hassemer, D J Katcher, M L Maby, S L Duck, S C Producer: 19880307 In: American journal of diseases of children (1960) vol. 142 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	16.	Newborn screening for cystic fibrosis is complicated by age-related decline in immunoreactive trypsinogen levels. [electronic resource] by Rock, M J Mischler, E H Farrell, P M Wei, L J Bruns, W T Hassemer, D J Laessig, R H Producer: 19900620 In: Pediatrics vol. 85 Availability: No items available. Save to lists Add to cart (remove)
	17.	Current issues in neonatal screening for cystic fibrosis and implications of the CF gene discovery. [electronic resource] by Farrell, P M Mischler, E H Fost, N C Wilfond, B S Tluczek, A Gregg, R G Bruns, W T Hassemer, D J Laessig, R H Producer: 19920313 In: Pediatric pulmonology. Supplement vol. 7 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	18.	Point: status of lipid and lipoprotein standardization. [electronic resource] by McNamara, J R Leary, E T Ceriotti, F Boersma-Cobbaert, C M Cole, T G Hassemer, D J Nakamura, M Packard, C J Seccombe, D W Kimberly, M M Myers, G L Cooper, G R Producer: 19970911 In: Clinical chemistry vol. 43 Availability: No items available. Save to lists Add to cart (remove)