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	1.	Preoperative serum CEA and CA19-9 in gastric cancer--a single tertiary hospital study of 1,075 cases. [electronic resource] by Zhou, Yang-Chun Zhao, Hai-Jian Shen, Li-Zong Producer: 20160126 In: Asian Pacific journal of cancer prevention : APJCP vol. 16 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	Investigation and Analysis of Hemoglobin A1c Measurement Systems' Performance for 135 Laboratories in China. [electronic resource] by Zhao, Hai-Jian Zhang, Tian-Jiao Zeng, Jie Hu, Cui-Hua Ma, Rong Zhang, Chuan-Bao Producer: 20180226 In: Chinese medical journal vol. 130 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	3.	[National external quality assessment and comparability of assays for tumor markers measurements]. [electronic resource] by Zhang, Jiang-tao Zhang, Chuan-bao Ma, Rong Zhao, Hai-jian Wang, Jing Wang, Zhi-guo Chen, Wen-xiang Producer: 20100909 In: Zhonghua yi xue za zhi vol. 90 Availability: No items available. Save to lists Add to cart (remove)
	4.	Inductively Coupled Plasma Mass Spectrometry as a Reference Method to Evaluate Serum Calcium Measurement Bias and the Commutability of Processed Materials during Routine Measurements. [electronic resource] by Zhao, Hai-Jian Ge, Meng-Lei Yan, Yin Zhang, Tian-Jiao Zeng, Jie Zhou, Wei-Yan Wang, Yu-Fei Meng, Qing-Hui Zhang, Chuan-Bao Producer: 20181214 In: Chinese medical journal vol. 131 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)