A prospective follow-up study on the impact of urinary excretions of nickel and chromium after dental restoration by nickel-chromium based alloys
Cao Xinming1, Wang Jue1, Xia Gang2, Xu Biyao2, Shen Qingping1
West China Journal of Stomatology . 2012, (2): 165 -168 .  DOI: 10.3969/j.issn.1000-1182.2012.02.013