Tuberculin in Treatment of Trachomatous Keratitis.

months, probably owing to the vitamin agitation raised by the press and to the vitaminisation of the margarine. " The effect of parenteral administration of carotin oil proves to be slower than that of injection of liver oil preparations. A series of extensive investigations of the power of distinction is accounted for, the test subjects being 28 prisoners of the State prison in Nyborg. The power of distinction is tested regularly throughout a period of nine months. One group of prisoners evidently presented seasonal oscillations in the power of distinction, which failed to appear in a control group of prisoners who received the same diet with a supplement of milk."