Comparative analysis and bias evaluation of academic papers published in core journals at home and abroad, paper title, publication name, national collection, results of different testing systems for some biochemical projects, Journal of Chongqing Medical University 20 12, 37(7) 1 Selection and Evaluation of Diluents in Measuring High-value Samples of Renal Function by Dry-wet Chemical Detection System Comparison of Empirical Formulas for Evaluating Glomerular Filtration Rate of Patients with Chronic Kidney Disease in chongqing medical 20 12, 4 1(6) 1, 36(7) 3 Major projects, project names, project categories and projects undertaken.