These opacities are prooved to be iron-containing substances by Prussian blue stain.
These opacities are prooved to be iron-containing substances by Prussian blue stain.
普鲁士蓝染色证实为含铁之色素。
These opacities are prooved to be iron-containing substances by Prussian blue stain.
普鲁士蓝染色证实为含铁之色素。