Effect of Shuanghu Qinggan Granule () and Yigan Yiqi Jieyu Granule () plus lamivudine on chronic hepatitis B patients: A randomized double-blind placebo-controlled trial.

Objective: To observe the clinical efficacy and safety of Shuanghu Qinggan Granule ( , SQG) plus Yigan Yiqi Jieyu Granule (, YYJG) combined with lamivudine (LAM) on chronic hepatitis B (CHB) patients.

Methods: The study was a multicenter, randomized, double-blinded and parallel controlled trial. A total of 320 patients were randomly allocated into 2 groups equally: 160 patients (treatment group) were given SQG and YYJG combined with LAM; and 160 patients (control group) were given LAM plus Chinese herb placebo, respectively.

[Analysis of dental plaque by using cellular neural network-based image segmentation].

Objective: To establish and evaluate a new method for measurement of dental plaque by using cellular neural network-based image segmentation.

Methods: A total of 195 subjects were selected from community population. After dental plaque staining, oral digital picture of anterior teeth area was taken by an Olympus digital camera (C-7070 Wide Zoom).