1. Achard, Boutario etRoy: Bull. Acad. Méd. Paris, III. s.11, 569. Ref. Kongreßzbl. inn. Med.77, 24 (1934).
2. Adam: Z. klin. Med.68, 177 (1909).
3. Albrecht: Dtsch. Arch. klin. Med.171, 595 (1931).
4. Akagi: J. of Biochem.11, 415. Ref. Kongreßzbl. inn. Med.59, 475.
5. Bonanno: Pathologica (Genova)29, 32 (1932). Ref. Kongreßzbl. inn. Med.90, 676.