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	1.	Are laboratories reporting serum quantitative hCG results correctly? [electronic resource] by Cao, Zhimin Tim Rej, Robert Producer: 20080512 In: Clinical chemistry vol. 54 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	Accuracy-based proficiency testing for testosterone measurements with immunoassays and liquid chromatography-mass spectrometry. [electronic resource] by Cao, Zhimin Tim Botelho, Julianne Cook Rej, Robert Vesper, Hubert Producer: 20180101 In: Clinica chimica acta; international journal of clinical chemistry vol. 469 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	3.	Noninvasive determination of human cortisol and dehydroepiandrosterone sulfate using liquid chromatography-tandem mass spectrometry. [electronic resource] by Cao, Zhimin Tim Wemm, Stephanie E Han, Liqiao Spink, David C Wulfert, Edelgard Producer: 20190305 In: Analytical and bioanalytical chemistry vol. 411 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	4.	Impact of testosterone assay standardization efforts assessed via accuracy-based proficiency testing. [electronic resource] by Cao, Zhimin Tim Botelho, Julianne Cook Rej, Robert Vesper, Hubert Astles, J Rex Producer: 20190610 In: Clinical biochemistry vol. 68 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	5.	Liquid chromatography-tandem mass spectrometry analysis of 17-hydroxyprogesterone in dried blood spots revealed matrix effect on immunoassay. [electronic resource] by Han, Liqiao Tavakoli, Norma P Morrissey, Mark Spink, David C Cao, Zhimin Tim Producer: 20190207 In: Analytical and bioanalytical chemistry vol. 411 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	6.	Measurement of human serum unconjugated estriol without derivatization using liquid chromatography-tandem mass spectrometry candidate reference method and compared with two immunoassays. [electronic resource] by Huang, Xianzhang Zhang, Qiaoxuan Zheng, Songbai Wang, Jianbing Han, Liqiao Lin, Haibiao Ke, Peifeng Zhuang, Junhua Cao, Zhimin Tim Producer: 20190405 In: Analytical and bioanalytical chemistry vol. 410 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	7.	Measurement of unconjugated estriol in serum by liquid chromatography-tandem mass spectrometry and assessment of the accuracy of chemiluminescent immunoassays. [electronic resource] by Huang, Xianzhang Spink, David C Schneider, Erasmus Ling, Helen Rai, Alex J Rosano, Thomas G Chen, Baorong Cao, Zhimin Tim Producer: 20140303 In: Clinical chemistry vol. 60 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)