OA期刊：《乳腺癌研究》（Breast Cancer Research），Refs & SJR负相关

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《乳腺癌研究》（Breast Cancer Research，ISSN 1465-542X）是一种国际同行评议的在线开放获取（OA）杂志,发表原创性研究、评论、编辑评述和报道类研究成果。发表论文涉及到与乳腺癌相关的生物学和医学的所有领域,包括正常乳腺生物学,特别强调乳腺癌的遗传基础、生化基础以及细胞基础研究。此外,此杂志也刊登生物学基础性的临床前研究和临床研究成果,包括一期和二期临床试验结果。《乳腺癌研究》目前的影响因子为5.490.

新近论文特别推荐：

Featured Articles RESEARCH In patients with metastatic breast cancer the identification of circulating tumor cells in epithelial-to-mesenchymal transition is associated with a poor prognosis   Bulfoni et al. Abstract   |  Full text   |  PDF RESEARCH Phase 1b/2a study of trastuzumab emtansine (T-DM1), paclitaxel, and pertuzumab in HER2-positive metastatic breast cancer   Krop et al. Abstract   |  Full text   |  PDF RESEARCH Background parenchymal uptake on molecular breast imaging as a breast cancer risk factor: a case-control study   Hruska et al. Abstract   |  Full text   |  PDF From the On Medicine Blog Could fertility treatment increase breast cancer risk? Frida E Lundberg talks about the effect of fertility and infertility treatment on breast density, and how this could lead to an increased risk of breast cancer. Building breast tissue to help understand breast cancer Amber Wood and Charles Streuli elaborate on the architecture of breast tissue, and whether it can be grown successfully in the lab. Banking on a cure – the Breast Cancer Now Tissue Bank In this blog, Professor Wayne Phillips talks about the Breast Cancer Now Tissue Bank and how it’s supporting the breast cancer research community.

期刊相关信息：

1. SJR与2年被引频次变化

2.总引与自引

3.篇均总引与篇均他引

4.2年、3年及4年平均被引频次

5.国际合作度

6.可引文献与不可引文献

7.被引文献与未被引文献

8  计算结果SJR2与SJR的比较

根据《乳腺癌研究》2000-2014年期刊相关数据，SJR与篇均参考文献数（Refs/Doc.,x₁）和国际合作度（% International Collaboration，x₂）的二元回归分析，得到如下关系式：

SJR=1.377-0.054x₁+0.112x_2,

此方程相关性系数R²=0.8767.由此式计算结果为SJR2,与SCImago给出的SJR值非常接近，详见下图所示。由下图反思上述关系式可知：篇均参考文献数对于SJR的贡献是负贡献，即参考文献数越多，SJR值越小；而国际合作度对SJR贡献是正贡献。