1. Albee: Pacif. med. J.66, 592 (1913); Ann. Surg.74, 8; J. amer. Assoc.57, Nr 11 (1911); Z. orthop. Chir.31, 460 (1913); Münch. med. Wschr.1914, 1302; Surg. etc.18, 699 (1914); Presse méd.1920, 261.
2. Albert: Internat. Chir. Kongr. Brüssel 1938.
3. Alessandri: Ital. orthop. Kongr. 1919; Z. orthop. Chir.40, 491 (1921).
4. Annersten: Chirurg1941, H. 3, 76; Arch. klin. Chir.204, 299 (1943);
5. Acta chir. scand. (Stockh.) Suppl.84, 60 (1940).