1. Autenrieth-Funk, Münch. med. Wschr.1913, 1243.
2. Bloch, Schweiz. med. Wschr.1931, 108.
3. Bosio etCaribbo, Prat. pediatr.7, 259–268 (1929); ref. Zbl. Tbk.forschg32, 345.
4. Brill u.Hopf, Münch. med. Wschr.1930, 142.
5. Chauffard, Laroche, etGrigaut, Ann. Méd.8, 69 (1920).