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The fact that elevated PSA scores can indicate the possibility of aggressive cancers in the prostate sooner than any other noninvasive test should justify some per­iodic PSA testing for men.

I′odāte, a combination of iodic acid with a salifiable base.—adj.

The reactions experimented with were: silver salts with ferrous sulphate; iron on copper sulphate; gold chloride and ferrous chloride; iodic acid and hydriodic acid; iodine and sodium sulphite; uranyl nitrate and potassium hydrate; chloral hydrate and potassium hydrate; electrolysis of cadmium iodide by an alternating current; solution of ammonium chloride, potassium bromide and uranyl nitrate in water, and precipitation of an aqueous solution of copper sulphate by alcohol.

In most of these experiments a slight diminution of weight was observed which exceeded the limit of error distinctly in two cases, viz. silver nitrate with ferrous sulphate and iodic acid with hydriodic acid, the loss of weight amounting from 0.068 to 0.199 mg. with the first and 0.047 to 0.177 mg. with the second reaction on about 50 g. of substance.

Iodphenol is obtained by the action of iodine and iodic acid on phenol dissolved in a dilute solution of caustic potash.