How does full-cost insurance for wheat affect pesticide use? From the perspective of the differentiation of farmers' production scale.

Theoretically, agricultural insurance influences farmers' use of pesticides by changing the expected income of agricultural production. Full-cost insurance, with high guarantee and high compensation characteristics, may significantly affect farmers' pesticide use. First, this paper constructs a production function to characterize and compare the marginal incomes of insured and uninsured farmers under risk uncertainty and analyses how insured farmers can increase marginal income by increasing or reducing factor inputs.

The Impact of Environmental Regulation on the Location of Pollution-Intensive Industries in China under Agglomeration Effect.

Pollution-intensive industries (PIIs) have both scale effect and environmental sensitivity. Therefore, this paper studies how environmental regulation (ER) affects the location dynamics of PIIs under the agglomeration effect. Our results show that, ER can increase the production costs of pollution-intensive firms (PIFs) by internalizing the negative impact of pollutant discharge in a region, and thus, directly reduces the region's attractiveness to PIFs.

Acupuncture Therapy plus Hyaluronic Acid Injection for Knee Osteoarthritis: A Meta-Analysis of Randomized Controlled Trials.

Objective: This meta-analysis aimed to investigate the effectiveness of acupuncture therapy plus hyaluronic acid injection versus hyaluronic acid injection alone for patients with knee osteoarthritis.

Methods: Relevant randomized controlled trials that compared the combined effect of acupuncture therapy and hyaluronic acid injection with hyaluronic acid injection alone for knee osteoarthritis patients were included. 10 studies were included in this meta-analysis, and the relative risk (RR) and weight mean difference (MD) with 95% CI for the Lysholm knee score (LKSS), visual analogue scale (VAS), and effective rate (ER) were evaluated by using RevMan 5.

Whole mitochondrial genome sequence of a rat rheumatoid arthritis E3 strain.

We sequenced a complete mitochondrial genome sequence of a rat rheumatoid arthritis disease E3 strain for the first time. The total length of the mitogenome was 16,305 bp and coding 13 protein-coding genes, 2 ribosomal RNA genes, 22 transfer RNA genes. This mitochondrial genome sequence will provide new genetic resource into rheumatoid arthritis disease.

[Research progress of percutaneous 360 degree axial lumbar interbody fusion technique].

Objective: To review the feature, biomechanics, and clinical application of percutaneous 360 degree axial lumbar interbody fusion (AxiaLIF) technique.

Methods: Recent literature on investigation and application of percutaneous 360 degree AxiaLIF technique was reviewed.

Results: Percutaneous 360 degree AxiaLIF technique mainly contained operative approach, axial technique, and posterior fixation.