1. Hidden Nickel Deficiency? Nickel Fertilization via Soil Improves Nitrogen Metabolism and Grain Yield in Soybean Genotypes
   Douglas Siqueira Freitas et al, 2018, Frontiers in Plant Science CrossRef
2. Association of Dental Fluorosis with Polymorphisms of Estrogen Receptor Gene in Chinese Children
   Yue Ba et al, 2011, Biological Trace Element Research CrossRef
3. Differentially expressed genes and signalling pathways are involved in mouse osteoblast-like MC3T3-E1 cells exposed to 17-β estradiol
   Zhen-Zhen Shang et al, 2014, International Journal of Oral Science CrossRef