1. Abell, Beveridge andFisher: Arch of Path.50, 1 (1950).
2. Albright andReifenstein: The parathyroid glands and metabolic bones diseases, S. 96. Baltimore 1948.
3. Anning, Dawson, Dolby andIngram: Quart. J. Med.17, 203 (1948).
4. Barcus: Zit. nachPuder, Zbl. Tbk.forsch.36, 177.
5. Bauer: Frankf. Z. Path.57, 122 (1943).