Dupuy B, Rouais F, Blanquet P
Calcif Tissue Res. 1977 Dec 29;24(3):275-8. doi: 10.1007/BF02223328.
With a Glyoxal bis 2-hydroxyanil alcoholic solution at -25 degrees C, the calcium was localized in frozen thyroid slices. The limited ionic movement permits seeing that the calcium situated principally in the colloid is resorbed at the same time by a low temperature stress.